基站子系统(简称基站BSS)由()组成A、BTS B、BSC C、MSC D、OMC

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问题:

基站子系统(简称基站BSS)由()组成

A、BTS

B、BSC

C、MSC

D、OMC

考点:通信工程师网络优化考试网络优化考试题库
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下列事项中,根据我国相关法律的规定,必须进行公证的是( )

A.涉外收养

B.抵押贷款合同

C.继承权

D.劳动合同

题型:多项选择题

In June 1985, two British mountaineers Joe Simpson and Simon Yates made the first-ever climb of the 21,000-foot snow-covered Siula Grande mountain in Peru. It was an exceptionally (26) job, but nothing compared to what was to (27) . Early in the process, Simpson (28) and broke his right knee. Yates could have (29) him but managed to find a way of (30) him down the mountains on a rope in a series of difficult drops. Then Simpson fell into a crevasse and Yates eventually had no (31) but to cut the (32) , completely convinced that his friend was now (33)

In his book on the (34) , Joe Simpson wrote:

(35) I looked at the distant moraines, I know that I must at least try I would probably (36) there among those rocks. If I died, well, that wasn’t so (37) , but I wouldn’t have (38) waited for it to happen. The (39) of dying no longer affected me as it had in the crevasse at first. I now had a chance to (40) it and struggle against it.

The survival of Yates himself was (41) . That Simpson somehow found a way of (42) out of the crevasse after 12 hours and then crawled and (43) himself six miles back to camp, (44) three days and might without food or drink, would be considered as a heroic fiction. But in fact it was so (45) .

42()

A.running 

B.walking 

C.climbing 

D.escaping

题型:多项选择题

在进行润滑、检查或更换配件之前可以不用断电进行。

题型:多项选择题

按《特种设备安全监察条例》规定,电梯安装施工过程中,电梯安装单位应当服从建筑施工总承包单位对施工现场的安全生产管理,并订立合同,明确各自的安全责任。

题型:多项选择题

甲乙两车间的平均劳动生产率相同,甲的标准差比乙的大,则其平均劳动生产率的代表性是()

A、甲比乙好

B、乙比甲好

C、二者一样

D、无法比较

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