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本質沒有區別. 看下麵的推導: 因為 G=mg m=P液V 所以G=P液Vg=F=P液gV排 重點是p不同,如果是兩種物質,P1就不等於P2 使得F就不等於G 只是條件不同,可以用不同的方法來計算. 呵呵
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