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安菲阿剌俄斯(Amphiaraus)

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某一VoIP网络与PSTN网络互连,采用H.323协议,要求除了能正常进行语音通话外,还必须能进行三房以上的电话会议,该VoIP网络必须包含的H.323组件包括()。

A. 终端
B. 网关
C. 网守
D. MCU

商业银行内部控制应当遵循的基本原则有()。

A. 前瞻性原则
B. 全覆盖原则
C. 制衡性原则
D. 相匹配原则
E. 审慎性原则

高度高于30米的第一类防雷建筑物,尚应采取什么措施?

At the instant when a string of casing being run from a ship is landed in the well head,().

A. the total weight in air of the casing string is removed from the ship
B. the hook load (weight of the casing string) is removed from the ship
C. the weight of the casing inside the riser is removed from the ship
D. the weight of the casing string added to the weight of the fill-up mud is removed from the shi

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