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
- Some mathematical models of measurement sphericity error and cylindricity error with multi-point methods
多点法测量球度误差和圆柱度误差的数学模型 - The theory of evaluation and the method of measurement of sphericity
球度误差的评定理论、判别方法和测试技术的研究 - 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。 - 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。 - The control technology of microsphere size, degree of sphericity and combining property with matrix material were studied.
探讨微球颗粒尺寸、球形度、与基体材料结合性能的控制技术。 - The whole sphericity error approximation process is created and the data processing flow is presented.
构造了完整的球度误差逼近过程，给出数据处理流程。 - 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。 - 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）。 - It was found that petroleum pitch addition could improve the sphericity of pitch spheres by stabilizing the surfactant orientation on the interface between pitch molecules and dispersant.
研究发现，添加石油沥青可以促进乳化液中沥青分子与分散剂界面上表面活性剂分子的取向稳定性，从而明显改善沥青微球的球形度。 - The image of sphericity which does not located the principal optic axis is an ellipse based on pinhole model, and the image center offsets from the projection of the sphere center.
针孔成像模型下非主光轴上的球体成像为椭圆，椭圆中心偏离球心投影点。