By pushing certain stages down into the data source and reducing the volume of data flowing into WebSphere DataStage, it should be possible to improve overall efficiency.
通过将某些stage下推到数据源，减少输入到WebSphere DataStage的数据量，可以提高总体效率。
The traditional power meter calibrating system usually has the shortcomings of low efficiency and large volume due to its standard voltage and current source rely on the analog amplifier.
传统的电力校表台由模拟功放向待校电表及标准表提供校表电流，造成系统效率低、体积大、重量重。
In the past years, Inverter resistance welding power source with soft-switching technology has smaller volume, lower quality, higher efficiency.
近年来，以软开关为特征的逆变电阻焊电源更是以其体积小、重量轻、开关损耗少、功率因数高而备受重视。
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