| 1. | Mechanics course mainly includes the description of movement of objects , the instantaneous effect of strength , spatial build - up effect of strength , temporal build - up effect of strength , nonindividual body mechanics , mechanical wave and sound , relativity , inalterability and covariability and mechanics foundation of the theory of relativity 力学主要内容包括物体运动的描述,力的瞬时效应,力的空间累积效应,力的时间累积效应,连续体力学,机械波和声,相对性、不变性与协变性和相对论力学基础等。 |