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題組1:請回答以下有關凸輪設計的問題下列凸輪的設計,可以讓母雞產生上下跳動的動作,請回答75~80題。【題組】75. 若想讓母雞上下跳動的幅度變大,該如何修正作品?(A)重鑽偏心輪的孔離圓心遠一點(B
問題詳情
題組1:請回答以下有關凸輪設計的問題下列凸輪的設計,可以讓母雞產生上下跳動的動作,請回答75~80題。
【題組】75. 若想讓母雞上下跳動的幅度變大,該如何修正作品?
(A)重鑽偏心輪的孔離圓心遠一點
(B)重鑽偏心輪的孔離圓心近一點
(C)將原凸輪磨小一點(直徑變小)
(D)改成在圓心鑽孔
參考答案
答案:A
難度:
非常簡單
1
書單:
沒有書單,新增
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5. 宏宇將一個黑色物體放入一杯飽和食鹽水的溶液中,靜止一段時間後,結果呈現如下圖,請問下列敘述何者正確? (A)黑色物體的密度比水小(B)若繼續加入食鹽,黑色物體會繼續上浮。(C)食鹽水的密度比黑色
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