The only significant difference is the length of each phase.
唯一重要的不同是每个阶段的长度。
In practice there are three methods of accomplishing this phase difference.
在实践中有三种方法来获得相位差。
In virtue of computer communications network, the phase difference real time measurement is realized.
借助于通信网络，可以实现电力系统相角的实时测量。
The principle of producing phase difference of two beams and its algorithm are studied.
阐明了双波束相位差产生的原理和计算方法。
The principle of producing phase difference of two beams and its algorithm are studied.
阐明了双波束相位差产生的原理和计算方法。
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