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39•如右圖鋼質柱其細長比約大於多少以上,則該柱的破壞主要係由挫屈(buckling)造成?(A)10(B) 20(C) 30(D)120
問題詳情
39•如右圖鋼質柱其細長比約大於多少以上,則該柱的破壞主要係由挫屈(buckling)造成?
(A)10
(B) 20
(C) 30
(D)120
參考答案
答案:D
難度:簡單0.888889
統計:A(1),B(0),C(0),D(8),E(0)
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【題組】23. There are many students _____ the train at the station.(A) to wait for (B) waiting (C) waite
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16某車自靜止加速至 20 公尺∕秒,共費時 4 秒鐘。假設過程為等加速運動,則在加速過程中,該車行駛的距離是多少公尺? (A) 100 (B) 75 (C) 40 (D) 25。
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