-
You can see from trigonometry and the length of the vector I'm going to call by A.
可以用三角的知识,然后我把矢量的模长记为 A
应用推荐
$firstVoiceSent
- 来自原声例句
You can see from trigonometry and the length of the vector I'm going to call by A.
可以用三角的知识,然后我把矢量的模长记为 A
应用推荐