作为公平的正义中，平等的原初状态相应于传统的社会契约理论中的（）。
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将电气设备由一种状态转换到另一种状态所进行的一系列操作称为（）操作。
A. 调度
B. 转换
C. 倒闸
D. 电气
对变压器上有专用的铁芯接地线引出套管时，应在注油前测量其对外壳的（）。
A. 接触直阻
B. 绝缘电阻
C. 泄漏电流
D. 介质损耗
A vessel is proceeding downstream in a narrow channel on the Western Rivers when another vessel is sighted moving upstream. Which vessel has the right of way? （）
A. The vessel moving upstream against the current
B. The vessel moving downstream with a following current
C. The vessel located more towards the channel centerline
D. The vessel with the least amount of maneuverability
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