我想問下縰波既振幅係點睇..
同埋我想問以下呢題:
A paper boat is floating on a pond. When John throws a coin into the pond,cicular water waves are formed. Briefly described the subsequent mothion of the paper boat when the waves reach it
收錄日期: 2021-04-13 00:50:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070719000051KK04303