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E是什么 |
點(diǎn)評(píng)
同樣的心態(tài),,但是當(dāng)面臨的時(shí)候,常常忘記了或者說是沒有去關(guān)注公式適用的范圍條件,,往往張冠李戴了,。
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點(diǎn)評(píng)
m=F/a ; C=Q/V ^_^
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