... 高频金融时间序列 high-frequency financial time series 高频群脉冲 high frequency group pulse 高频数据 high-frequency data ...
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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.
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。
Meanwhile, a new electrochemical machining power supply is introduced in detail-a power supply for high frequency group pulse electrochemical machining used in the micro-machining.
另外，还详细介绍了一种新型电解加工电源：用于微小型零件加工的高频群脉冲电解加工电源。
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