根据《中国移动TD-LTE无线子系统工程验收规范》，切换时延测试的_爱下问搜题

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问题多项选择题

根据《中国移动TD-LTE无线子系统工程验收规范》，切换时延测试的验收标准为（）。

A.控制面切换时延<100ms

B.控制面切换时延<50ms

C.用户面切换时延<100ms

D.用户面切换时延<50ms

答案

参考答案：A, D

完形填空

完形填空。

     Hello. I'm Jack. I'm a boy. I'm  1 Class One, Grade One. Look! This is a picture  2 my classroom. This
is my desk. It's  3 to the window. Can you see my backpack? It's  4 my chair. My books  5 on my desk.
My pen and pencil  6 in my pencil case. What's that  7 my desk? It's my soccer ball. Do you like my
classroom? It's big and bright. There is a map of China  8 the wall.  9 the map, it's a red flag. On the
window,  10 many flowers. There is a TV and a computer in our classroom. I like our classroom very
much.

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D. behind
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单项选择题

存储周期指的时间是( )。

A．从开始写入到存储单元存放数据的时间

B．从开始读出到获得有效数据的时间

C．连续启动两次独立的存储器操作所需要的最小间隔时间

D．读出一次再重写一次所需的时间