Some concepts such as relativerest reference frame, relative uniform motion reference frame, and relative accelerated motion reference frame was confirmed.
确定了相对静止系、相对匀速运动系、相对加速运动系的概念。
2
The performance of each portion of the triangle will in turn determine the relative strain on the rest of the structure.
各个部分的表现将决定了结构其它部分的相对压力。
3
The performance of each portion of the triangle will in turn determine the relative strain on the rest of the structure. The simplest interaction of the structure is as follows.