It network solutions工作

筛选

我最近的搜索
筛选项:
预算
类型
技能
语言
    工作状态
    2,000 it network solutions 份搜到的工作,货币单位为 USD

    您好,Language Solutions。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $15 (Avg Bid)
    $15 平均报价
    1 个竞标

    ...proficient in Chinese, eager to be immersed in a multicultural work environment while providing superior service to our guests. Key Responsibilities: Address customer inquiries through email, phone, and online platforms promptly and professionally. Assist with booking and reservation queries, offering information regarding availability, rates, and amenities. Manage complaints, providing suitable solutions and alternatives within a set timeframe; ensure resolution through follow-ups. Collaborate with the on-site team to guarantee a seamless guest experience. Maintain a positive, empathetic, and professional demeanor toward guests at all times. Requirements: Proficiency in Chinese is mandatory; knowledge of additional languages is a plus. Previous experience in customer service ...

    $150 (Avg Bid)
    $150 平均报价
    16 个竞标

    新项目急招岗位:数值策划,Golang,PHP,安卓,iOS,Java,Flutter,前端,C++,测试, Cocos,运维,产品经理,项目经理,数据分析,UX/UI/UE,DBA,架构师,.net,策划,原画/动效设计师,SEO/SEM,人资经理,HRBP,总裁助理,财务经理,行政主管,技术总监,运营操盘总监,招商代理总监,市场推广总监,品牌策划总监,渠道流量总监。薪资美丽、欢迎投递简历(月薪3-6万/RMB) telegram: @HR5688 QQ:1992861221 9h单/双休(薪资:30000-60000RMB/月) 单/双人间,吃住全包,安全办公不禁足 发薪准时,不压薪不扣薪,来去自由 薪资美丽反馈及时、欢迎投递简历 telegram: @HR5688 QQ:1992861221

    $7132 (Avg Bid)
    $7132 平均报价
    4 个竞标

    您好,Codemeg Soft Solutions 。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $250 (Avg Bid)
    $250 平均报价
    1 个竞标
    Project for All solutions 已经结束 left

    你好All solutions,我注意到你的个人资料并想把我的项目给你。我们可以通过交流来讨论任何细节。

    $51 (Avg Bid)
    保密协议
    $51 平均报价
    1 个竞标

    嗨 Worldtranslator, 我想要邀请您来完成我的项目。更多细节我们可以稍后通过聊天交流。

    $40 (Avg Bid)
    $40 平均报价
    1 个竞标

    您好,BEST WEB-IT Translations。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $15 / hr (Avg Bid)
    $15 / hr 平均报价
    1 个竞标

    您好,BEST WEB-IT Translations。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $35 / hr (Avg Bid)
    $35 / hr 平均报价
    1 个竞标

    您好,BEST WEB-IT Translations。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $10 / hr (Avg Bid)
    $10 / hr 平均报价
    1 个竞标

    您好,BEST WEB-IT Translations。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $15 / hr (Avg Bid)
    $15 / hr 平均报价
    1 个竞标

    您好,BEST WEB-IT Translations。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $10 / hr (Avg Bid)
    $10 / hr 平均报价
    1 个竞标

    您好,Worldtranslator。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $50 (Avg Bid)
    $50 平均报价
    1 个竞标

    您好,Imara Software Solutions。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $297 (Avg Bid)
    $297 平均报价
    1 个竞标

    您好,Xpert Solutions。我留意到了你的简历,想让您参与我的项目。我们可以讨论一下项目的细节。

    $6 (Avg Bid)
    $6 平均报价
    1 个竞标
    it is a good projects 已经结束 left

    我需要一个新网站,我需要您设计和创建我的博客。希望您有相关的专业技能,是有经验的人可以好好做这件事

    $142 (Avg Bid)
    $142 平均报价
    4 个竞标
    Project for Ruslan P. 已经结束 left

    We have procured WoWonder(verv3.0.4) Social platform and Wondertag (The Ultimate WoWonder Theme) from envato. Online Demo: ===================================================== ===================================================== Wowonder customization function adds “​issue​.” 1. There are five kinds of ​statement​ the “​issue​,” including “​Mostly​​Agree​,” “Agree,”“Undecided,” “Disagree,” and “​Mostly Disagree​.” The “​issue​” uses to display real time Ajax charts. Demo:​ 2. Users can comment only when they have made a statement, and the

    $1500 - $1500
    $1500 - $1500
    0 个竞标

    我想使用Super Network Tunnel为我的交易软件连接到国外服务器助力(因为交易软件直接连接到国外服务器会有延迟)。线路最好是美国专线。要求服务态度好,有事即时回复。

    $250 - $750
    $250 - $750
    0 个竞标

    1)建设网站 2)群策群力把握当前医疗信息动向,寻找切实可行的可靠方案 3)通过女儿肺炎诊治,为其他需要帮助的人提供可以借鉴的经验 ______________________________________________ 1) Construction website 2) Group efforts to grasp the current medical information trends and find practical and reliable solutions 3) Through the diagnosis and treatment of daughter pneumonia, provide experience for others who need help.

    $39 / hr (Avg Bid)
    保密协议
    $39 / hr 平均报价
    7 个竞标

    你好Creativeon Solutions ..,我注意到你的个人资料并想把我的项目给你。我们可以通过交流来讨论任何细节。

    $3050 - $3050
    $3050 - $3050
    0 个竞标

    你好Dreamztech Solutions,我注意到你的个人资料并想把我的项目给你。我们可以通过交流来讨论任何细节。

    $575 (Avg Bid)
    $575 平均报价
    1 个竞标

    我需要一些东西的3D模型。

    $147 (Avg Bid)
    $147 平均报价
    10 个竞标

    哥们 邮件代发的单子接不接?

    $52 / hr (Avg Bid)
    $52 / hr 平均报价
    9 个竞标

    ...Display interface to support RGB, LVDS and MIPI interface, as only one interface can be used at the same time, so the three interface pins can be reused; 3. Touch screen interface resistive screen interface, the use of ADS7846 or compatible chip, using the SPI interface; Capacitive screen interface, the use of IIC interface; 4. SD card interface CPU to reserve SD / TF card interface pins; 5. Network interface using RMII interface PHY, so RMII interface pins have to be reserved, PHY using DP83848IVV ; 6. Serial communication interface to reserve a RS232 UART; reserved for a RS485 UART, in addition to set aside a pin for the direction of RS485 control; 7. USB interface to set aside 1 USB interface for external USB device; 8. Rotary encoder interface using two externa...

    $2789 (Avg Bid)
    $2789 平均报价
    2 个竞标

    你好IT Flex Solutions India,我注意到你的文档并想给你我的项目。我们可以能过聊天来讨论细节。

    $100 (Avg Bid)
    $100 平均报价
    1 个竞标

    做一个network topology的api,call之后会自动在python里生成一个表格。 我做的是展现router位置的demo,具体例子请看图片。

    $133 (Avg Bid)
    加急
    $133 平均报价
    2 个竞标
    Website & IT 已经结束 left

    我需要一个新的网站。我需要你为我的公司设计和搭建一个网站。

    $168 (Avg Bid)
    $168 平均报价
    5 个竞标
    Build a Website 已经结束 left

    ...are a fun and innovative start-up company in the surf industry, based in Taipei. We are a laid-back group of surfers who are passionate about surfing, Taiwan’s surf community, and Taiwan’s environment. Our mission is to be the authoritative source of free surfing content in Taiwan, to inspire a better surf culture and lifestyle in Taiwan, and to invest in projects that educate and implement solutions to Taiwan's environmental issues. We require a skilled and motivated individual to develop our website. If you’re a surfer, that’s awesome. If you’re not, that is great too. However, a love for the environment and a positive outlook on life are mandatory! We are working to a fairly tight schedule (sub-6 months for the full development), an...

    $6017 (Avg Bid)
    $6017 平均报价
    11 个竞标

    我有一个持续工作,之前与之相关的项目为'Design a Logo for a student society of East-West network'

    $20 - $20 / hr
    $20 - $20 / hr
    0 个竞标

    website enhancement project, needs to have excellent network knowledge and databases

    $1178 (Avg Bid)
    $1178 平均报价
    10 个竞标

    我们正在寻找一个优...简单的WordPress 网站; 成功完成第一个项目的设计师将会被邀请参与我们的第二个项目(马上开始在第一个项目完成后),网站设计工作设计的要求会高和复杂。 要求如下: Web/App Graphics • ability to take design (PSD) and create web friendly optimised graphical elements • familiar with all levels of CSS (through CSS3) • understand and ability to implement responsive design • understand browser limitations of Safari, IE, Firefox, Chrome; can design cross browser solutions Programming • competent to expert in WordPress & PHP (portfolio sites required) • understand modern javascript frameworks (minimum: JQuery) • understand SEO best practices Communications • fluent in English and Chinese

    $406 (Avg Bid)
    $406 平均报价
    3 个竞标

    Respond to me now!you hear me?jdkdjjfjcjxjfjdjdjdjdjdjfjfjfjjfjfjrjrjdjfujdjdjdjdjrhrjdjfucjvuvigjgjfjtnrbbrbrjfifigigjvjrnrbrjrjrjrjfjfjfjrjrjrjrjrjrjrjrhrhrjrjridifif

    $150 (Avg Bid)
    $150 平均报价
    1 个竞标

    我们正在寻找一个优...简单的WordPress 网站; 成功完成第一个项目的设计师将会被邀请参与我们的第二个项目(马上开始在第一个项目完成后),网站设计工作设计的要求会高和复杂。 要求如下: Web/App Graphics • ability to take design (PSD) and create web friendly optimised graphical elements • familiar with all levels of CSS (through CSS3) • understand and ability to implement responsive design • understand browser limitations of Safari, IE, Firefox, Chrome; can design cross browser solutions Programming • competent to expert in WordPress & PHP (portfolio sites required) • understand modern javascript frameworks (minimum: JQuery) • understand SEO best practices Communications • fluent in English and Chinese

    $273 (Avg Bid)
    $273 平均报价
    6 个竞标

    1、我会按项目支付,每个项目大约在50-100USD,项目的复杂程度参见附件。 2、帮助我发布英文外包项目,我会提供原来中文资料。(完成后付款20%) 3、帮助我与投标方沟通,主要是EMAIL和SKYPE等文字沟通,我确定选择承包方(完成后再付款30%) 4、项目进行中,与承包方的沟通。 5、承包方完成项目,我验收。(完成后付款给你余下50%) 6、如果没有合适的承包方,只要有沟通过程,我仍然会付款30%。 附(某个项目的需求中文资料),请先尝试翻译下让我了解你的专业水平: 1,只做快乐8的模拟竞猜 2,只做任选1到任选10的竞猜,参考淘宝上的快乐8。 3,使用积分投注,积分有2种,1是普通,2是赠送积分。 4、积分赠送规则,每天可以申请赠送100分(赠送完后的总分不超过100分情况下),赠送的积分类型为2。比如现有10分普通积分,点击申请赠送,总分为100分,其中90分类型为2 5、其他如用户注册、登录、资料管理等,参考淘宝彩票。 6、最好用C#,ASP.NET写,需要源代码。 附件是存储快乐8的数据库(MYSQL)

    $118 (Avg Bid)
    $118 平均报价
    3 个竞标

    1、我会按项目支付,每个项目大约在50-100USD,项目的复杂程度参见附件。 2、帮助我发布英文外包项目,我会提供原来中文资料。(完成后付款20%) 3、帮助我与投标方沟通,主要是EMAIL和SKYPE等文字沟通,我确定选择承包方(完成后再付款30%) 4、项目进行中,与承包方的沟通。 5、承包方完成项目,我验收。(完成后付款给你余下50%) 6、如果没有合适的承包方,只要有沟通过程,我仍然会付款30%。 附(某个项目的需求中文资料),请先尝试翻译下让我了解你的专业水平: 1,只做快乐8的模拟竞猜 2,只做任选1到任选10的竞猜,参考淘宝上的快乐8。 3,使用积分投注,积分有2种,1是普通,2是赠送积分。 4、积分赠送规则,每天可以申请赠送100分(赠送完后的总分不超过100分情况下),赠送的积分类型为2。比如现有10分普通积分,点击申请赠送,总分为100分,其中90分类型为2 5、其他如用户注册、登录、资料管理等,参考淘宝彩票。 6、最好用C#,ASP.NET写,需要源代码。 附件是存储快乐8的数据库(MYSQL)

    $131 (Avg Bid)
    $131 平均报价
    10 个竞标

    海外技术 支持工程师 Overseas Technical Support Engineer 工作职责: 1. 负责产品和系统的售前售后支持,方案介绍和技术答疑; 2. 独立编写海外投标技术文档; 3. 参与海外新产品和系统的市场调研和拓展. 任职要求: 1、通信、电子类相关专业本科以上学历;具备平板电脑或智能手机项目工作经验 2、英语六级,听说读写能力较强; 3、善于沟通,表达力强,责任心强,灵活自信,应变能力强; 4、较强的独立工作能力及良好的团队协作精神。 5、逻辑分析能力强,条理性强,有一定的讲解能力; 6、有相关工作经验优先。 岗位职责: 1. 进行嵌入式系统(Embedded Linux)驱动程序开发。 2. 负责系统底层的BSP相关工作,如Linux Kernel移植优化,设备驱动开发、移植和优化。 3. 参与项目需求分析,进行驱动软件的详细设计。 4. 根据公司技术文档规范编写相应的开发文档。 驱动工程师 Software Driver Engineer 任职资格: 1.精通C/C++语言、ARM汇编,熟练使用GCC。 2. 至少两年以上嵌入式系统(Embedded Linux)软件开发经验,精通嵌入式系统软件开发。 3.深刻理解处理器架构,热爱处理器相关技术。深刻理解内存、DMA、中断等概念。熟悉ARM 处理器。 4.精通Linux 下驱动程序开发。有USB、video、audio、UART、IIC、SPI、SD/MMC等开发经验佳。 5.深入理解Linux文件系统、进程管理机制和内存管理机制。 6.熟悉威盛平台驱动开发者优先 必须:至少两年以手机或平板驱动开发经验。 岗位需求: 1、精通 C/C++/Java 编程语言,并且有相关项目开发经验。 2、熟悉Linux下C/C+...

    $30 - $250
    $30 - $250
    0 个竞标
    snapsell project 已经结束 left

    FUNCTIONS FOR SNAPSELL APP 1. TAKE A PIC THROUGH APP AND SELL THROUGH APP ONLINE PROFILE SHOP 2. LIVE ONLINE CHAT WITH SELLER 3. LOCATION ENABLED TO FIND NEARBY SELLERS OR BUYERS 4. ADD FRIENDS AS BUYER OR SELLER. 5. LOGIN WITH QQ,WEIBO,WECHAT,FB,TWITTER 6. PROFILE THAT HAVE BUYERS FOLLOWING,LISTINGS,OFFER MADE STUFF THAT U LIKED 7. INVITE FRIENDS THROUGH ALL CHINA SOCIAL MEDIA NETWORK 8. THIRD PARTY PAYMENT, 支付宝,财付通,paypal 9. Able to choose Delivery companies 10. VIDEO,8 SECS TO SHOW PRODUCT。 11. Full vi design and animation 12. Full html 5 with English and chinese website to show app introduction 13. SHAKE FUNCTION ABLE FOR USERS TO WIN SOMETHING,LIKE SMALL SAMPLES OR RESTURANT VOUCHERS ETC.(ANY BETTER SUGGUESTIONS?) 14. QR CODE 这一场革命的电子商务应用程序将带着大家一起!snapsel...

    $1258 (Avg Bid)
    $1258 平均报价
    2 个竞标
    it is easy to find u 已经结束 left

    我有一个很有创意的app想法,我觉得这个app软件所带来的效益远远大于app软件本身,我想和你合作。希望能和你共同讨论。对于这个项目的经费我觉得咱们可以商量。这是我的邮箱zhangfei199007@,希望能和你讨论 。

    $150 (Avg Bid)
    $150 平均报价
    1 个竞标

    ...configure dynamic caller ID and IP whitelisting. - Proficient in managing multiple campaigns and supporting a minimum of 10 representatives. - Excellent problem-solving skills and attention to detail. - Ability to provide ongoing technical support and maintenance. **Preferred Skills:** - Experience with specific CRM platforms (e.g., Salesforce, HubSpot). - Knowledge of cloud-based telephony solutions. - Strong understanding of call center operations and best practices. **Application Process:** Please submit your proposal including your relevant experience, a brief outline of your approach to developing the predictive dialer system, and any past projects that demonstrate your expertise in this area. Include your estimated timeline and cost for the project. We look forward to wo...

    $1508 (Avg Bid)
    $1508 平均报价
    11 个竞标
    Trophy icon Redesign IT Company Website 6 天 left

    I'm looking for a web designer/developer to redesign an IT company's website. The current site has plenty of content but has become disorganized and hard to navigate. The key details of this project are: - Modern and slick design, but we should still be able to display lots of information. - Keeping the existing content: The new design should maintain all the current content and functionalities. - We have had lots of SEO work done throughout the years and we would like to keep as much of that progress as possible, as well as add in some new SEO efforts. - Emphasis on mobile responsiveness: The new website must be highly responsive on all mobile devices. - An organized navigation that is less confusing then the current is a major focus for this project as well. The curr...

    $1000 (Avg Bid)
    加保
    $1000
    1 项参赛作品

    I'm currently seeking a professional with extensive experience in structural engineering, especially older homes. My property is an 1890s house in Michigan requiring structure optimization for joist, rafter, ...treatment of damaged/rotten wood. - Be capable of designing and implementing robust structural supports. Being familiar with Michigan's weather conditions and how they impact a home's structure will be a plus. Your recommendations and solutions should effectively address and prevent any potential instability or damage. Please include any relevant experience, project estimates, and methodological approach in your bid. Completion timeline is flexible and can be negotiated based on your professional opinion and strategy. We value quality, precision, and sustaina...

    $431 (Avg Bid)
    $431 平均报价
    24 个竞标

    I have a SQL Server that needs to be accessible over the internet. However, I'm facing connectivity issues, possibly due to closed or blocked ports on my ComCast router model CBR2-T. I need a freelancer to open the necessary ports on the router. The task i...However, I'm facing connectivity issues, possibly due to closed or blocked ports on my ComCast router model CBR2-T. I need a freelancer to open the necessary ports on the router. The task involves: - Checking the current port status on the router - Identifying the SQL Server port - Opening the port on the router Please bid if you're experienced with network configuration and have dealt with ComCast routers before. Necessary Skills: - Network Configuration - Router Administration - ComCast Router Exper...

    $30 (Avg Bid)
    $30 平均报价
    4 个竞标

    I require someone experienced in Linux server management to help optimize the performance of my server. Linux Server Performance Optimization Plesk Obsidian, SQL, PHP Key Responsibilities: - Review the current server setup and performance - Identify areas for improvement - Implement solutions to optimize server performance - Fix the 2 errors. This is not a one-time setup; I may require ongoing management based on the initial optimization results. Your expertise in Linux server management is crucial to this project.

    $137 (Avg Bid)
    $137 平均报价
    34 个竞标

    I'm in need of an experienced wardrobe designer to help bring my vision to life. I'm looking for a designer who can create a minimalist style wardrobe using wood. The design should have 5 or more compartments or sections. Ideal Skills and Experience: - Prior experience in wardrobe design - E...an experienced wardrobe designer to help bring my vision to life. I'm looking for a designer who can create a minimalist style wardrobe using wood. The design should have 5 or more compartments or sections. Ideal Skills and Experience: - Prior experience in wardrobe design - Expertise in working with wood - Understanding of minimalist design principles - Ability to create functional storage solutions. If you're confident in your ability to deliver a chic, minimalist wo...

    $72 (Avg Bid)
    $72 平均报价
    4 个竞标

    .The scope of this project includes: 1. Data Transmission: You should be able to help in enhancing our network to ensure that it delivers data more optimally, focusing particularly on text-based data, as this is what our UDP/IP network primarily handles. 2. Error Detection and Correction: The hiree will also have to devise new methods for detecting and correction errors within our system. We've been facing some challenges in this area that need resolution. 3. Scalable Solutions: Our network system currently connects between 10 and 50 devices. While working on this project, it is important to keep scalability in mind to accommodate potential future growth.

    $20 (Avg Bid)
    $20 平均报价
    2 个竞标

    We are looking for a developer experienced in working with the Solana network and trading bots, with a mandatory requirement of being knowledgeable about the Pumpfun platform. Responsibilities: Create a bot/tool to manage trading from multiple wallets on the Pumpfun platform. Enable the bot to generate multiple wallets. Configure Solana quantities to buy per wallet. Develop an auto buy and sell bot to make a project appear legitimate with many sales and buys, thereby boosting projects. Ensure speed execution on the first buys to avoid snipers. The initial buys will be made from different wallets in varying quantities, with all transactions going through simultaneously or with a few seconds' difference. Allow for auto-tipping and prioritization in fees. Enable P&L visualiza...

    $1110 (Avg Bid)
    $1110 平均报价
    40 个竞标

    I need help in setting up an Ubuntu virtual machine using VirtualBox. This involves: - Configuring proper network settings within the virtual machine - Assigning IP addresses The ideal freelancer for this project will have: - Proficiency in setting up Ubuntu virtual machines using VirtualBox - Experience in configuring network settings and assigning IP addresses - Strong communication skills to explain the setup process. This is a relatively straightforward task for an

    $26 (Avg Bid)
    $26 平均报价
    14 个竞标
    IT Services KPI Survey Design 6 天 left
    已验证

    ...designer to help me create a structured questionnaire that'll measure the success and efficiency of our IT services. Key Requirements: - Create a comprehensive survey that includes various KPIs related to IT services. - Focus on measuring areas like response time, uptime/downtime, and customer satisfaction. - Ensure the survey is structured in a way that it can be deployed on a monthly basis - The survey should be easily understandable by the respondents and generate actionable insights for our IT team. Ideal Skills and Experience: - Proficiency in designing surveys with a focus on KPIs - Knowledge of IT services and various KPIs associated with them - Experience in designing reports for IT service performance - Ability to create clear a...

    $20 (Avg Bid)
    $20 平均报价
    1 个竞标

    ...through technical drawings. Project Requirements: Architecture Selection for Each Linkage Estimated Time: 3 hours Evaluation Criteria: Creation of a simplified specification sheet Identification and characterization of functions and constraints Hierarchization and creative problem-solving using FAST diagrams Proposal of solutions with clear schematics and sketches Value analysis including criteria, scoring, weighting, and reasoned choices Synthesis of selected solutions CAD Modeling of a Mechanism Estimated Time: 8 hours Evaluation Criteria: General appearance and manufacturability of parts Quality and cleanliness of part modeling and construction trees Accurate assembly definition and kinematic mobility Definition of stops for μ and λ, and the locking mechan...

    $35 (Avg Bid)
    $35 平均报价
    10 个竞标

    ...one-time payments. Ideal Skills: - **Experience with Indian Payment Gateways**: Understanding of the Indian e-commerce ecosystem and familiarity with the payment gateway landscape in the region is essential. - **Payment Gateway Integration Experience**: Proven experience in integrating payment gateways, especially for one-time transactions. - **Cost-Effective Solutions**: Ability to provide and advise on cost-effective solutions that align with my business requirements. - **Communication Skills**: Clear and prompt communication about the integration process and requirements are highly valuable to me. I'm looking to work with a professional who can ensure that the payment gateway integration is seamless, efficient and meets my business requirements for accepting d...

    $91 (Avg Bid)
    $91 平均报价
    14 个竞标

    As an established business with an existing system, I am seeking a professional to help streamline our supplier onboarding and product uploading processes. The primary challenge we face is h...- we typically deal with between 10,000 and 50,000 on a regular business. Key Project Needs: - Improve SKU processing speed and accuracy. - Streamline supplier onboarding process. - Make it easier to manage large volumes of SKUs. The ideal candidate will have previous experience in SKU and/or supplier management, process improvement, and working with high volume product management. Expertise in our current system would be a beneficial, but is not a necessary requirement. You should be driven by efficiency and comfortable working with large data sets. I look forward to seeing your proposed ...

    $318 (Avg Bid)
    $318 平均报价
    19 个竞标