单选题
发布日期:2021-03-22
并联
串联
串联或并联
通过电流(through-current)是1998年公布的电气工程名词。
互感器又称为仪用变压器,是电流互感器和电压互感器的统称。能将高电压变成低电压、大电流变成小电流,用于量测或保护系统。其功能主要是将高电压或大电流按比例变换成标准低电压(100V)或标准小电流(5A或1A,均指额定值),以便实现测量仪表、保护设备及自动控制设备的标准化、小型化。同时互感器还可用来隔开高电压系统,以保证人身和设备的安全。
器使,汉语词语,拼音是qì shǐ,意思是量材使用;重用。出自《春秋繁露·离合根》。
题王网让考试变得更简单
扫码关注题王,更多免费功能准备上线!
此试题出现在
MCC指____,MNC指____。()
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create a login Web form by using the following code fragment. When a user clicks the btnLogin Button control, the login() client-side script is called to authenticate the user. The credentials provided in the TextBox controls are used to call the client-side script. You also add the following client-script code fragment in the Web form. (Line numbers are included for | English | Chinese | Japan | Korean | - 151 - Test Information Co., Ltd. All rights reserved. reference only.) 01 02 function login() { 03 var username = $get(’txtUser’).value; 04 var password = $get(’txtPassword’).value; 05 06 // authentication logic. 07 } 08 function onLoginCompleted(validCredentials, userContext, 09 methodName) 10 { 11 // notify user on authentication result. 12 } 13 14 function onLoginFailed(error, userContext, methodName) 15 { 16 // notify user on authentication exception. 17 } 18 The ASP.NET application is configured to use Forms Authentication. The ASP.NET AJAX authentication service is activated in the Web.config file. You need to ensure that the following workflow is maintained: ¡;¤On successful authentication, the onLoginCompleted clien-script function is called to notify the user. ¡;¤On failure of authentication, the onLoginFailed clien-script function is called to display an error message. Which code segment should you insert at line 06?()
港澳居民来往内地通行证为()证件。
决定焊接电流大小的最主要因素是( )。
甲企业为了进入国际市场,采用特许经营的形式与目标市场国家乙企业订立了长期的无形资产转让合同。甲企业采取的进入国际市场的模式是( )。
有髓神经纤维的髓鞘切迹是()。
乳腺癌术后健康教育中应教会患者定期________。
域名服务(Domain Name Service,DNS)是把()的计算机服务。
编制应变部署表时,应根据船员的爱好和要求,选择适合担任该项工作的船员来担任。()
在球磨机中,磨介下落的运动状态有:泻落式、抛落式、()。