coefficient of contact ratio 重合度系数
correction coefficient of heightspan ratio 高跨比修正系数
coefficient of child ratio 少儿人口系数
coefficient of older ratio 老年人口系数
coefficient of frequency ratio 频比系数
coefficient of shear force ratio 剪力比系数
ratio coefficient of kh 侧向基床反力系数比例系数
coefficient of stroke velocity ratio 行程速比系数
Filtration coefficient ratio depends mainly on the air dust and the content of solid particles.
过滤系数比值主要取决于空气中灰尘和固体颗粒的含量。
The results show that at any Angle between axes of inclined swirl control valve and crank shift, flow coefficient and inclined swirl ratio increase gradually with increase of valve opening.
研究结果表明，在任意可变斜轴涡流控制阀轴线与曲轴轴线夹角情况下，流通系数和无因次斜轴涡流比随着阀片开度的增大而逐渐减小。
The ratio of the amplitudes of the reflected and incident waves is termed the reflectivity or reflection coefficient.
反射波振幅与入射波振幅的比率称作反射率或反射系数。
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