他们很喜欢这个“内在安静”课程给他们的一些关于个人管理的方式，通过一些方法和工具，他们能很快很容易的变得安静和平衡。
They liked the way the mental stillness program gave them some personal control, so by using the tools shown to them, they could quickly and easily become calm and balanced.
同样的原理可用来使喷气发动机变得安静或使军用飞机在打开舱门时变得安静。
The same principles can be applied to quiet down a jet engine or silence the open bays of a military craft.
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