Such tapes are scientifically designed to help you "reset" your brain and calm down.
这些磁带是依据科学而设计的，可以帮助你“重新调节”你的大脑，让你平静下来。
This machine is designed scientifically and logically , the system is perfect .
该机设计科学合理，系统完善。
Cage is an important device in the mine production, designed scientifically and rationally.
罐笼是矿山生产中的一个重要设备，需要科学、合理的设计。
Cage is an important device in the mine production, designed scientifically and rationally.
罐笼是矿山生产中的一个重要设备，需要科学、合理的设计。
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