Compared with the general rice, the roughness ratio of colored rice were much lower.
无论籼粳稻，色稻品种出糙率比对照品种低。
The formula and criterion of the Strehl intensity ratio consisting of the aberration and roughness are developed.
建立了兼含粗糙度与波面像差影响的中心点亮度比公式及其像质评价准则。
The duty ratio was proportional to the surface roughness.
占空比与陶瓷层表面粗糙度成正比；
The experiment results show that the threshold velocity is affected by the ratio of roughness coefficient of ice cover and bed.
试验表明：冰盖下泥沙起动流速与冰盖及槽底糙率的相对比值有关。
The influences of the aspect ratio and wall roughness on the coolant flow characteristics, which mainly involve pressure loss, secondary flow and turbulence intensity, were investigated.
研究了高宽比和壁面粗糙度对压力损失、二次流动和紊流强度的影响。
To enhance the roughness of the blade's partial area for increasing the lift drag ratio, a new method was given in this paper.
该文给出了一种提高叶栅叶片的升阻比新措施，即采用加大叶片局部粗糙度来提高叶片的升阻比。 实验研究证实这种方法确实有效。
By analyzing reflective properties of multilayers, the peak reflectivity, bandwidth and centroid wavelength as a function of roughness, period thickness and thickness ratio were obtained.
通过对极紫外多层膜反射特性的分析，得到了峰值反射率、带宽和中心波长分别随粗糙度、周期厚度以及比值变化的函数关系。
The quality requirements of glass beads in mechanical plating were analyzed, including circle forming ratio, surface roughness and wear resistance.
分析了机械镀锌工艺对玻璃珠冲击介质的质量要求，包括成圆率、表面光洁度和耐磨性能；
The quality requirements of glass beads in mechanical plating were analyzed, including circle forming ratio, surface roughness and wear resistance.
分析了机械镀锌工艺对玻璃珠冲击介质的质量要求，包括成圆率、表面光洁度和耐磨性能；
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