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關(guān)于定軸轉(zhuǎn)動(dòng),我想到的 |
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點(diǎn)評(píng)
不對(duì)啊,我查了書,空心圓筒的轉(zhuǎn)動(dòng)慣量里面是“+”,不是“—”,難道書上有問題嗎?回頭我再看一下
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點(diǎn)評(píng)
呵呵,我發(fā)現(xiàn)苦菩提友友蠻逗的,經(jīng)常出人意外的忘記點(diǎn)什么。還會(huì)發(fā)明如偽經(jīng)驗(yàn)之類的名詞。呵呵,這樣進(jìn)步真的很快呀?。《叺娘L(fēng)聲那是刷刷的。。。。。。。
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