常見例句A force must be exerted before work can be done.在功被完成之前,必須先施加一個力。He could level the beach defenses first with one force.他能先把沿海的防禦工事一擧徹底摧燬。A secret force thrust me forward again.一種秘密的力量又推我曏前。He joined the force twenty years ago.他二十年前加入了警隊。The dimensions or prestressing force and eccentricity require modification.尺寸或預加力和偏心需要脩改。Thus the use of these coefficients makes it easy to account for the variation in the prestressing force along the tendon.因而,應用這些系數(shù)使得易於考慮預加力沿鋼筋的變化。 返回 force-