body diagonal 中文意思是什麼
body diagonal
解釋
體對角線-
If many forces are acting simultaneously in different directions on any body, the direction of its motion will not correspond with any one of the forces, but will always follow a middle course, the summary of them, what is expressed in mechanics by the diagonal of the parallelogram of forces
如果同時有許多各種不相同的力作用於某一物體，該物體運動的方向不可能與任何一個力的運動的方向相符合而總是平均最短的方向，即力學所說的平行四邊形的對角線。 -
Test code for machine tools - determination of positioning accuracy on body and face diagonals diagonal displacement tests
機床試驗規范.床身和床面對角線上的精確位置的測定 -
The diagonal strap should lie mid - way across your shoulder, staying in contact with your chest up to about your collar bone. see that the buckle is well down to your side and not lying on your body. you may have to change the length of the straps
斜帶應橫過你的肩膊中間，緊貼你的胸部至鎖骨位置帶扣應垂於身旁而非身上必要時，可調節安全帶長度確保安全帶沒有其他物件纏著或壓著，並且沒有扭曲，然後才扣緊。
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