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 impact on processing results is obtained by comparing the sphericity and degree of lapping uniformity.
通过比较球度大小及研磨均匀程度，分析了对加工结果的影响。 - 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。 - The results indicate that high sphericity and smooth-faced alumina based ceramic microspheres can be obtained by twice sintering process.
结果表明：采用二次烧成工艺可以获得球形度高、表面光滑的氧化铝基微球。 - Sphericity Error Evaluation Based on an Improved Particle Swarm Optimization
基于改进粒子群算法的球度误差评定 - 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 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。 - Study on the Algorithm of Sphericity on Coordinate Measuring Machines
坐标测量机球度误差软件算法研究 - The prepared granule is porous and can solve quickly, with high sphericity coeficient, good surface luster, certain intensity and is not easy to break.
制得的颗粒多孔、速溶、真球度高、表面光泽度好、致密性强、不易破碎。 - 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。 - These include the bulge at the equator and other deviations from sphericity, and variations in the distribution of the mass of the earth.
其中包括地球赤道部位桶腰形的凸起，一些地方不是标准的球形，以及地区质量分布的变化等。