... 主频率 master frequency 主脉冲 master pulse 主次序装置 master sequence device ...
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实验证明，尾随主脉冲之后的次脉冲串是导致低氖压微型管坪缩短的根源；
The experiments showed: (1) the secondary pulse series following the primary pulse is a root cause to shorten plateau;
系统的扫描电流周期和调制器的主脉冲同步，可消除扫描均匀性中出现的拍频现象。
In the system the period of the scanning current is completely synchronized by the major pulse of the modulator in order to avoid the beat.
结果表明，在高频群脉冲电源作用下，选择较高的主脉冲频率，可获得良好的加工质量。
It is indicated from the results that effected by the high frequency group pulse power, higher machining quality is obtained by choosing higher main pulse frequency.
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