If l could go back in history and live when I liked, I wouldn't go back very far.
如果可以回到过去，在我喜欢的时代生活，我不会回到很久以前。
The experiments with ultrasonic at different power intensities showed that ultrasonic at a power intensity of 0.33W/L could enhance biological activity significantly.
通过不同功率密度的超声波处理发现，0.33W／L的超声波在膜-生物活性炭反应器内提高生物活性的效果最为明显。
The experiments with ultrasonic at different power intensities showed that ultrasonic at a power intensity of 0.33W/L could enhance biological activity significantly.
通过不同功率密度的超声波处理发现，0.33W／L的超声波在膜-生物活性炭反应器内提高生物活性的效果最为明显。
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