led_extraction_efficiency_有道手机词典

1.This pre - treatment led to a significant increase in extraction efficiency.
这种预处理可明显地提高超临界流体萃取的效率。
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2.Photonics crystals have been used in LED to improve extraction efficiency greatly since 1990s.
光子晶体的多种特性都具有巨大的应用价值。
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