并得出了面粗糙度比线粗糙度更能体现试件表面形貌特征的结论。
It is concluded that surface roughness can better reflect the characteristic of the sample's surface than line roughness.
粗晶组织比细晶组织的裂纹偏折更大，粗糙度诱发闭合效应更强，因而裂纹扩展较幔。
The short cracks deflect more severe in coarse grain structure than in fine grain one, result in roughness induced crack closure effect, therefore exhibit slow crack growth rate.
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 formula and criterion of the Strehl intensity ratio consisting of the aberration and roughness are developed.
结果表明，EDG比WEDG具有更高的生产率，更好的几何精度和表面粗糙度。
The results show that EDG is more propitious to improve the productivity, geometry precision and also the surface roughness than WEDG.
使用制冷机冷却压蜡模具比水冷却法效率高，劳动条件好，提高了蜡模表面粗糙度。
To cool the pattern injection die by refrigerator is more efficient than by water cool, and it provides better working conditions and improves the surface degree of finish of the wax pattern.
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。
To enhance the roughness of the blade's partial area for increasing the lift drag ratio, a new method was given in this paper.
采用这种新型砂轮可以比使用无螺旋沟槽砂轮降低表面粗糙度和提高圆柱度。对于加工难加工材料，如硬质合金效果特别显著。
With spiral grooved grinding wheel, one can get better surface finish and roundness than with conventional grinding wheel, especially when applied in grinding hard material such as carbide.
论述了测量表面粗糙度的反射散射比光纤传感器的结构、工作原理。
It expatiates the structure, working principle and characteristic of the fiber sensor, and the practically measuring result is given.
论述了测量表面粗糙度的反射散射比光纤传感器的结构、工作原理。
It expatiates the structure, working principle and characteristic of the fiber sensor, and the practically measuring result is given.
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