更新1:
When they pass through each other,do the pulses remains on the same side of the spring?
When they pass through each other,do the pulses remains on the same side of the spring?
收錄日期: 2021-04-19 15:23:53
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090915000051KK00218