... flow reversal倒流 polarity reversal反极性;极性变换;极性倒转 phase reversal反相;倒相;相序逆转 ...
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... change of phase 相变相位变化 change of polarity 极性变换 change of risk 风险变更 ...
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... 倒相，反相，相位反向，相位改变1800 reversal of phase 相序倒转 reversal of phase sequence 极性变换 reversal of pole ...
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在此基础上设计了三值ecl极性变换电路。
Then, the ternary ECL polarity transformation circuits are designed.
内置智能电路，能自动变换充电器的输出极性以适应电池的正极和负极。
With the intelligent circuitry inside, it can automatically transform the charger output polarity to suit for the battery anode and cathode.
本节详细介绍如何使用这些测试夹具来进行表面电阻率和体电阻率的测量，以及测量电阻率时使用的变换极性和变换电压的技术。
This section details how to make surface and volume resistivity measurements with these test fixtures, as well as the Alternating Polarity and Alternating Voltage techniques for measuring resistivity.
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