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问题 单项选择题

根据《城市排水工程规划规范》规定，城市污水工程规模和污水处理厂规模应根据( )确定。

A．平均月污水量
B．预测的污水总量
C．年污水总量
D．平均日污水量

答案

参考答案：D

名词解释

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单项选择题

astute service providers realize that the continued support of legacy X.25 and asynchronous network element using separate operations network is cost (141) . For example, the maintenance of multiple networks can require additional staff. Often, this staff must be trained on multiple vendor technologies, sometimes requiring parallel groups specializing in each (142) . Hence, additional maintenance procedures must be maintained and administrative records are (143) . The duplication of transport facilities to carry (144) network traffic is an inefficient use of resources. And not surprisingly, more technologies installed in a central office means the necessity for more physical space and an increase in power connections and power consumption, migration of these (145) network elements to IP-based DCns is alogical strategy.

A．prohibitive

B．feasible

C．connective

D．special
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