These are known as the nine components of stress and are illustrated with reference to an infinitesimal rectangular element about a point in figure 1. 2 . 它们被称为应力的九个分量,均示于图12中一点附近的无限小的平行六面体单元上。
Understand that fear is a component of stress , the complex fight - or - flight response ingrained in us since the cave days 要明白恐惧是压力的一个组成部分,它是一种与穴居时代俱来的"要么对抗,要么逃跑"的复杂反应。
These are known as the nine components of stress and are illustrated with reference to an infinitesimal rectangular element about a point in figure 1 . 2 它们被称为应力的九个分量,均示于图1 2中一点附近的无限小的平行六面体单元上。