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在0oC時以鋼(線膨脹係數為α1)製作一把標準米尺,今在室溫為toC時使用,量得一金屬棒長度為L。已知此金屬的線膨脹係數為α2,則0oC時金屬棒長為何?[88省聯]
[詳解]
Posted in 熱膨脹.
Tagged with 線膨脹.
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By admin – 2009 年 06 月 23 日
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