平均阻力 meaning in Chinese

mean resistance

As for fixed vehicle spacing , with the increase of vehicle number in platoon , the average drag coefficient can reduce by 20 % ~ 30 % and the vehicle with the lowest drag is about at the center of the platoon
在固定间距下，随着队列中车辆数目的增加，平均阻力系数可降低20 % ~ 30 % ，阻力最低的车大致处于车队的中心位置。
( 2 ) the flaws on the one - dimension ( 1 - d ) compressible isothermal average - friction - factor were indicated . a friction factor computation method was proposed , which is not only suitable for compressible flow but also easy to achieve the average wall shear stress
（ 2 ）指出关于微管道内已有的一维可压缩等温流动的平均阻力系数确定方法的不足之处，并提出了一种便于实用的可压缩流动平均阻力系数的确定方法。