数字化监控系统的核心技术是（）。 ["门禁管理子系统","视频监控子系统","RFID人员定位系统","信息输入系统"]
医疗器械使用单位之间（）转让在用医疗器械。
第一次把“（）”这个职业正式提出来的是D．罗维 ["西奈尔","提格","盖迪斯","罗维"]
You work as an ASP.NET Web Application Developer for SomeCompany. The company uses Visual Studio .NET 2010 as its application development platform. You are creating an ASP.NET Web application using .NET Framework 4.0. The Web application comprises a class named Employee with properties named as First Name， Last Name， and Age. You add a Web page in which you get a list of Employee objects and display those objects in a GridView control. You are required to add code so that the GridView row is highlighted in red color if the age of the employee is less than 21 years. What will you do to accomplish this？（） ["Use the RowCommand event of the GridView control.","Use the SelectedlndexChanged event of the GridView control.","Use the RowDataBound event of the GridView control.","Use the RowEditing event of the GridView control.","Use the RowUpdated event of the GridView control."]
数字化监控系统的核心技术是（）。 ["A.门禁管理子系统 ","B.视频监控子系统 ","C.RFID人员定位系统 ","D.信息输入系统"]
简述动物保健的一般措施？
