According to the difference of passing current and constructive mode of conductor, the conductor propagation is divided into three-phase, two-phase and single-phase propagation, etc.

根据通过电流和导体结构方式的不同，导体传输可分为三相传输、二相传输和单相传输等。

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The fault phase selectors, including the phase current difference suddenly-change and the sequence current, may misoperate in some cross country faults and conversion faults.

研究表明相电流差突变量、稳态电流序分量等选相元件在发生某些跨线及转换性故障时会误选相。

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The control of the constant Phase difference between the current and the displacement of the magnetic damper in rotor-bearing system is studied.

对挠性转子轴承系统电磁阻尼器的电流位差常相位移振动控制进行研究。

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The current phase of construction will create new private sector jobs -- and that won't just make a difference to all the people who get these jobs, it will make a difference to all those communities where they spend their paychecks.

WHITEHOUSE: President Obama on Highways and Recovery