a=?v/?t; ?t=1/Frequency => a=?vFrequency => F=m?vFequency
所有跟帖:
• Delta 符號, 全顯示成 ?了 :-( -選民- ♂ (0 bytes) () 04/19/2024 postreply 16:24:00
• Delta 符號, 全顯示成 ?了 :-( -選民- ♂ (0 bytes) () 04/19/2024 postreply 16:24:00
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