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时钟系统安全管理功能设置了不少于种管理权限和密码

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简述CCTV监控软件终端设备无法登陆的故障处理方法

-Hi,isMarythere,please?-请问,Mary在吗?--请别挂断,我去叫她()

A. Hold on. I’ll get her.
B. No. she isn’t here.
C. Yes. she lives here.
D. Yes. what do you want?

–Hello,howareyou?嗨,你好吗?-.我很好,谢谢()

A. Hello. how are you?
B. How do you do ?
C. Fine. thank you.
D. That’s OK

-How’sisyourfamily?你的家人都还好吧?-.都还行()

A. Thanks all the same.
B. Thanks for calling.
C. Not too bad.
Don’t mention it

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