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问题 单项选择题

支好的安全网在承受重为100kg、表面积为2800cm2的砂袋假人，从（）高处下落的冲击后，网绳、系绳、边绳不断。

A．5m

B．6m

C．8m

D．10m

答案

参考答案：D

多项选择题

设计概算的编制方法中，单位工程概算包括（）。

A．照明工程概算

B．机械设备及安装工程概算

C．电气设备及安装工程概算

D．建设单位临时设施费概算

E．涨价预备费概算
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单项选择题

Routing protocols use different techniques for assigning (81) to individual networks. Further, each routing protocol forms a metric aggregation in a different way. Most routing protocols can use multiple paths if the paths have an equal (82) . Some routing protocols can even use multiple paths when paths have an unequal cost. In either case, load (83) can improve overall allocation of network bandwidth. When multiple paths are used, there are several ways to distribute the packets. The two most common mechanisms are per-packet load balancing and per-destination load balancing. Per-packet load balancing distributes the (84) across the possible routes in a manner proportional to the route metrics. Per-destination load balancing distributes packets across the possible routes based on (85) .

（83）是（）

A.bracketing

B.balancing

C.downloading

D.transmitting
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