常見例句雙語例句inversely proportional to the cross-sectional area of the rod.,棒子的橫截面積,成反比。The ratio of aircraft length to maximum cross sectional area also influences the intensity of the sonic boom.飛機(jī)的長度和最大橫截面面積之比也會(huì)影響音爆的強(qiáng)度。So this will be the length of the femur d and this will be the thickness, d A and this will be the cross-sectional area A.所以這就是股骨的長度,這是它的厚度,這是它的橫截面積。原聲例句The piston has a cross-sectional area, a, and the force pressure is force per volume area.我們以活塞系統(tǒng)為例，來說明膨脹功。麻省理工公開課 - 熱力學(xué)與動(dòng)力學(xué)課程節(jié)選 返回 sectional area