The structure is reasonable, the easy combination, the manufacture is simple, is advantageous for the installment, is one kind of great amount of wind resistive honeycomb type series silencer.

结构合理，组合方便，制作简单，便于安装，是一种大风量阻性蜂窝式系列消声器。

youdao

If you took a 15 inch artillery shell moving at the velocity it typically goes at, and take that amount of kinetic energy versus the resistive capacity of a sheet of tissue paper, that's the scale that we're looking at here.

如果你有1个15英寸的炮弹,按照经典的速度移动，会消耗大量的动能,抵抗来自于一张薄纸的阻力，这就是我们在这儿看到的尺度。

麻省理工公开课 - 固态化学导论课程节选