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为了提高电力系统并列运行的稳定性,缩小故障元件的损坏程度,继电保护必须具有( )。
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纵联保护只能在被保护元件的内部故障时动作,而不反应外部故障,具有(对故障的)绝对选择性。( )
Chinese Foreign Minister Tang Jiaxuan said that while differences remained among various parties on how to solve the Iraqi crisis, the majority of countries in the world stand for a political solution and the opposition to war is pervailing.
英译汉In the organization of industrial life the influence of the factory upon the physiological and mental state of the workers has been completely neglected.
英译汉There will be television chat shows hosted by robots, and cars with pollution monitors that will disable them when they offend.
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