题目内容

测绘工作证在()范围内通用

A. 全国
B. 省,自治区,直辖市
C. 所在地区
D. 所在单位

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根据《建筑施工高处作业安全技术规范》JGJ80―2016第6.3.1条规定,落地式操作平台的高度不应大于(),高宽比不应大于3:1。

A. 10m
B. 15m
C. 20m
D. 25m

Your client has deployed a cisco wireless location appliance within their warehouse environment. they have been experiencing problems with tracking objects using active rfid tags. the rfid beacon rate is 10 seconds. you have discovered an issue with the rfid timeout value. How should this value be changed?()

A. change the value on the wireless controller to 45 seconds.
B. change the value on the wireless controller to 95 seconds.
C. change the value on the cisco wcs to 95 seconds.
D. change the value on the cisco wcs to 45 seconds.

固态继电器SSR是一种()器件。

A. 四端
B. 六端
C. 两端
D. 8端

三螺杆泵中,主动螺杆为()。

A. 凸螺杆
B. 凹螺杆
C. 斜螺杆
D. 正螺杆

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