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24.外形規則的均質物體,其重心位置之求法,一般使用:(A)正弦定律 (B)餘弦定律 (C)拉密定理 (D)力矩原理
問題詳情
24.外形規則的均質物體,其重心位置之求法,一般使用:
(A)正弦定律
(B)餘弦定律
(C)拉密定理
(D)力矩原理
參考答案
答案:
[無官方正解]
難度:
計算中
-1
書單:
沒有書單,新增
上一篇 :
23.圖解同平面力系平衡時,其必要條件為:(A)力多邊形閉合即可 (B)索線多邊形閉合即可(C)力多邊形及索線多邊形均須閉合 (D)力多邊形閉合,索線多邊形首索與末索平行
下一篇 :
64.請完成下列的合成步驟,步驟 1 (A)Clemmensen reduction (B)Friedel Crafts reaction (C) Friedel Crafts acylation(D
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