These two fundamental layers are designed to defeat the two main threats in an explosion: the overpressure pulse, or shockwave; and the fragmentation, commonly known as shrapnel.

其中两个基本保护层旨在抵抗爆炸中产生的两类主要威胁：超压脉冲，或者叫冲击波；以及通常由弹片构成的碎片伤害。

youdao

These two fundamental layers are designed to defeat the two main threats in an explosion: the overpressure pulse, or shockwave;

其中两个基本保护层旨在抵抗爆炸中产生的两类主要威胁：超压脉冲，或者叫冲击波；

youdao

On the basis of experiment, the influence of impressed electromagnetic field on fire transmission speed and overpressure in gas explosion was investigated.

在实验的基础上，研究了外加电磁场对瓦斯爆炸过程中火焰传播速度和超压的影响。

youdao