在E-UTRAN系统中,MAC使用的重传方式是:()
A. HAR,
B. FEC,
C. ARQ,
D. CR
查看答案
最易发生氧腐蚀的部位为给水管道和省煤器。()
A. 正确
B. 错误
You need to ensure that when you insert a blank DVD into the DVD drive, Windows Explorer opensautomatically and enables you to select files to burn to DVD. What should you do?()
A. From Default Programs, modify the AutoPlay settings.
B. From Default Programs, modify the default program settings.
C. From Device Manager, modify the properties of the DVD drive.
D. From System Configuration Utility, modify the Startup settings.
单向晶闸管(SCR)的结构,是由()PN结组成的。
A. 一个
B. 两个
C. 三个
D. 四个
普光禅寺始建于()。
A. 宋
B. 元
C. 明
D. 清