> 英语 >
movement of the hands of a clock,frequency of vibration,flow of water in a pipe,
分别是标量还是矢量?
人气:269 ℃ 时间:2020-05-30 13:54:07
解答
暂无优质回答,请稍候...
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版