microwave-ultrasonic wave aided extraction 微波超声波协同提取法
ultrasonic wave or microwave-assisted 超声波辅助
So this thesis on the basis of traditional craft, utilizing respectively microwave and ultrasonic wave, improve and optimize the craft of traditional extraction.
为此本文在传统工艺的基础上，分别介入微波和超声波，对传统提取工艺进行了改进和优化。
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