cross sectional area

基本解释

Where ρ is the density of air, A is the cross sectional area, and C is the drag coefficient for a cylinder.
上述表达式中，p表示空气密度，A代表圆柱的横截面面积，C代表圆柱的牵引力（阻力）系数。
After measuring the height, their right hips were scanned with CT and the mini cross sectional area of femoral neck was detected.
测量身高后，用CT 对其右侧髋关节扫描，利用计算机测出股骨颈的最小横截面积。
Students will determine the relative stiffness of two aluminum beam test specimens of equal cross sectional area but different cross-sectional shape and see how they conform to theory.
学生要确定两个横截面面积相同而形状不同的铝梁实验样本的相对刚度，并研究结果如何与理论一致。

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