It's a bit cumbersome using absolute paths when you only want to jump from one branch of the tree to another nearby. That's why CD allows you to use relative paths.
当您只想从目录树的一个分支跳转到附近的另一个分支时，使用绝对路径会有点麻烦，这就是cd命令允许使用相对路径的原因。
The paper expounds briefly the absolute speed of run -up rhythm etc , and attempts to improve sportsmen s long jump marks.
本文就跳远的绝对速度，速度利用率和节奏等方面进行简要阐述，以期提高跳远运动员的成绩。
With using absolute optical interferometer for measuring length of block gauge, it is necessary to solve the problem of phase jump for reflecting of light on its surface.
在用绝对光波干涉法测量量块长度时，必须解决光在量块表面反射时的位相跃变问题。
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