sphericity
英
美
网络 球形; 球度; 球形度; 圆球度
COCA.43590
英英释义
noun
- the roundness of a 3-dimensional object
双语例句
- The likelihood ratio criterion of sphericity test, its asymptotic expansion and limiting distribution are obtained.
论文得到了球形检验的似然比准则,它的渐近展开与极限分布。 - Also in this aspect we study the sphericity test in two models as an application of the generalized sphericity test, the first model is the nested repeated measures model ( NRMM).
作为应用,我们研究了两个模型中的广义球形检验问题。第一个模型是套重复测量模型(NRMM)。 - The results indicate that the algorithm for the sphericity and roundness measurement and analysis can be considered as rationale for the particle pattern recognition and analysis system.
研究结果表明,压裂支撑剂球度与圆度的测量与分析的算法能够成为颗粒图像识别分析系统的理论基础。 - In this paper, the test mode on sphericity deviation measurement by three-coordinates measuring machine and the conclusion from measurement results are given.
本文给出了在三坐标机上测量钢球球度误差的测试方法及对测试结果的分析。 - The results show that the appearance and sphericity degree for ultrasonic atomized powder is superior to centrifugal atomized powder, but the oxidation resistance is not enough.
结果表明:超声雾化法制备的粉末形貌和球形度明显优于离心雾化,但在大气中放置粉末的增氧速度较快。 - This article presents the equipment performance, welding wire characteristic and progress technique of gas auto-welding technique for sphericity tank, introduces the improvement of flexible roll path, welding progress and other aspects in practice, which improved the welding quality and efficiency.
本文比较系统的介绍了球形储罐CO2气体保护自动焊的设备性能、焊丝特点和工艺技术,以及在实践中对柔性轨道、焊接工艺等方面进行了改进,提高了焊接质量和效率。 - Through analyzing and researching on some related references of error separation techniques at home and abroad, this paper has built-up some mathematical models that are used to detect and evaluate sphericity error and cylindricity error of the workpiece with multi-point methods as well as unconstrained optimizational methods.
通过分析和研究国内外误差分离技术的有关文献,建立了多点法测量和无约束最优化方法评定工件球度误差和圆柱度误差的数学模型。 - This method opens up the possibility for measuring sphericity using roundness measuring instrument.
该法为圆度仪测量球度开辟了一条新途径。 - Finally, analyzed influence to the sphericity measurement caused by the rotation error of the grinder.
最后分析了精密球面磨床主轴回转误差对于球度在位测量结果的影响,提出了提高测量精度的方法。 - Criterion and Evaluation of Sphericity Error
球度误差的判别准则和评定方法