initial speed的用法和样例:
例句
- Reference values of the serv ing angles of the racket with different speed and height were provided.
给出以不同初速度和高度发球时球拍角度的参考值。 - The body appears to remain suspended in space if it has no initial velocity relative to the elevator.
如果物体相对于升降机没有初速度的话,这个物体看起来就好象是一直悬在空中不动。