They shut off the gas and electricity in their house before leaving on holiday.
他们出外度假之前把家中的煤气和电源关掉.
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Remove the AC supply lead before servicing or cleaning heads, roller etc.
切断交流电源才能维修、洗清磁头 、 压轮等部件.
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图1表示了隔离半桥 电源转换器,其控制器以初级边地作为参考地.
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DC load flow is a method to estimate power flows through lines on AC power systems.
直流潮流是一种估计功率流经线AC电源系统.
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根据相关规定,进行维护工作或保护维护位置或架空线路系统前,切断架空线路系统电源。
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For absolute measurement , the measured value is held even as power is cut off.
绝对测量时,即使电源切断, 该测量值仍能保持.
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For absolute measurement , the measured value is held even as power is cut off.
绝对测量时,即使电源切断, 该测量值仍能保持.
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现如今各种根据QoS指标选择目标网络的方案层出不穷,虽然切换的准度有所提高,但大量的计算对电源有限的移动终端是不利的。
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通讯直流电源GTY&1型硅调压装置的应用
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本文就GNG系列逆变式高压真空直流电源的原理系统、设计特点、技术性能等做一简要论述。
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