sectional area

常见例句

双语例句

• inversely proportional to the cross-sectional area of the rod.
  ,棒子的横截面积,成反比。
• The ratio of aircraft length to maximum cross sectional area also influences the intensity of the sonic boom.
  飞机的长度和最大横截面面积之比也会影响音爆的强度。
• 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.
  所以这就是股骨的长度,这是它的厚度,这是它的横截面积。

原声例句

• The piston has a cross-sectional area, a, and the force pressure is force per volume area.
  我们以活塞系统为例，来说明膨胀功。
  麻省理工公开课 - 热力学与动力学课程节选
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