在河里横渡,也要斜着走
所有跟帖:
• 这个应该是矢量相加的平行四边形原则,比风帆那个简单得多。 -光盐行者- ♂ (0 bytes) () 09/05/2022 postreply 15:02:32
• 这个应该是矢量相加的平行四边形原则,比风帆那个简单得多。 -光盐行者- ♂ (0 bytes) () 09/05/2022 postreply 15:02:32
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