spherical tensor of strain

例句：

1. 1. The stress tensor is a fundamentalconcept in the study of elasticity.
   应力张量是研究弹性学的基本概念。
2. 2.The tensor of strain is used tocalculate the deformation of materials under load.
   应变张量用于计算材料在受力下的变形。
3. 3. The stress tensor can be decomposed into three components: the hydrostatic component, the deviatoriccomponent, and the volumetric component.
   应力张量可以分解为三个分量：静水压力分量、偏应力分量和体积分量。