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基本释义：
sphericity
英 [sfɪˈrɪsɪti]
美 [sfɪˈrɪsəti]
- n. [数] 球形；球面
复数 sphericities
词典扩展 短语搭配 权威例句
柯林斯词典
sphericity /sfɪˈrɪsɪtɪ/
- 1.
名词 the state or form of being spherical 球状
同根词
词根：sphere
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adj.
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n.
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vt.
sphere 包围；放入球内；使…成球形
同近义词
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n.[数]球形；球面
词组短语
1. sphericity distribution 球度分布
2. sphericity interferometer 球面干涉仪
3. projection sphericity 投影球度
4. aberration of sphericity 球面像差
5. grain sphericity 颗粒球度
6. Bartlett test of sphericity 巴特利特球形检验 ; 巴特利特球形检验法
7. sand grain sphericity 砂粒球度
8. Bartlett's Test of Sphericity 球形检验 ; 检验值 ; 巴特利特球度检验 ; 球形考验
9. sphericity test 球形检验 ; 球形检定 ; 性检验
权威例句
1. 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
2. The error separation technique of the sphericity is derived from that of the roundness, and analyzed in theoretically, due to the lack of the on-site measurement of the sphericity.
针对球度误差没有实现在位测量的问题，将圆度误差分离技术引伸到球度误差分离技术，并在理论上进行了探讨。
3. The average sphericity of fine aggregates is 0.67-0.97 and the overall value fluctuates above and below 0.806.
细集料球度的均值在极小值到极大值之间变化，处于0.67 - 0.97之间，总体上各球度值在0.806上下波动。
4. The bodies of some other cells showed sphericity with short processes.
另有一些胞体呈球形，突起较短。
5. 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
6. The effects of slurry solid content and operation technology on the sphericity and average diameter of the microspheres were investigated.
论文其次研究了操作工艺、料浆固含量对微球粒径与球形度的影响。
7. 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。
8. 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
9. The sphericity and the surface roughness of bearing balls significantly influence performance and reliability of the bearing.
轴承球的真球度及表面粗糙度对轴承的性能及可靠性有显著影响。
10. Determination of Optimum Number of Measuring Points in Sphericity Deviation Measurement by CMM
三坐标法测量球度误差时最佳测点数目的确定
11. With the drop of concentration, the sphericity goes bad, particle size decreases and particle distribution becomes narrow.
结果表明：随母液固含量的降低，样品的粒径变小，粒径分布也更为均匀，但其球形度变差；
12. Sphericity Error of minimum zone applies to the criterion of Sphericity Error of minimum condition principle.
“最小区域球”意义上的球度误差,是符合“最小条件原则”的球度误差评定标准.《互联网》
13. Then, the error produced by sphericity error, material refractive rate error and optical center error of cat eye are discussed.
从猫眼的球度误差、材料折射率误差和光学中心误差几个方面对猫眼产生的光学误差进行了分析。
14. The control method of size and sphericity for ceramic UO 2 microspheres
陶瓷UO2微球尺寸与球度的控制方法
15. 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。
16. Aimed at the spheric face of smaller diameter and sphericity of a higher-precision, a new method called "pneumatic measurement" is used in the area of sphericity error measurement.
针对被测球面轮廓的尺寸小、精度高的特点，采用“气动法”测量球度误差。
17. N the experimental error. Geometric Criterion of Sphericity
球度误差的几何判别准则
18. 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。
19. 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。
20. 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。
21. Criterion and Evaluation of Sphericity Error
球度误差的判别准则和评定方法
22. Various NC programs to machine sphericity thread form based on ellipse contour are developed using macro programs. This method can be used for the contour machining of all types of conic.
举例编制了椭圆轮廓上球形螺纹的宏加工程序，此方法适用于所有二次曲线的球形螺纹加工。
23. An algorithm based on the immune evolutionary computation ( IEC ) is proposed to evaluate sphericity error.
提出一种新颖的免疫进化计算方法 ( IEC ) 用于球度误差评定.《互联网》
24. Asymptotic distribution of likelihood ratio criterion for testing multisample sphericity
多样本球性检验的似然比统计量的渐近分布
25. The optimization of sphericity hard alloy which wear resisting is better than granulate hard alloy;
优选耐磨性能更好的球形硬质合金。
26. Sphericity Error Evaluation Based on the Immune Evolutionary Computation
基于免疫进化计算的球度误差评定
27. Research on Measuring System for Sphericity
球度误差测试系统的研究
28. Measurement of the systematic error of the laser sphericity interferometer
激光球面干涉仪系统误差的测量
29. 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。
30. An algorithm based on the immune evolutionary computation ( IEC) is proposed to evaluate sphericity error.
提出一种新颖的免疫进化计算方法（IEC）用于球度误差评定。
31. There are four androeciums in a flower, the anther is near sphericity and androeciums protrude after florescence.
雄蕊四枚，花药近圆球形，开花后伸长于花冠之外。
32. An algorithm based on the immune evolutionary computation (IEC) is proposed to evaluate sphericity error.
提出一种新颖的免疫进化计算方法（ IEC）用于球度误差评定。
33. General Formula for the Least Square Sphericity
球度最小二乘评定的一般公式
34. 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。
35. High Precision Algorithm for Evaluation of Sphericity Error
球度误差包容评定的高精度实现方法
36. The Investigation of Characteristics of Oil Shock Absorber with Sphericity Piston
采用球面活塞的液压缓冲器特性研究
37. Error of minimum zone applies to the criterion of Sphericity Error of minimum condition principle.
最小区域法是符合最小条件的一种直线度误差评定方法,但较难实现.《互联网》
38. Concentricity, sphericity of micro shells prepared by the technique was typically more than 98 %, 99 % respectively.
主要介绍了密度匹配微封装技术, 利用此项技术制备的聚苯乙烯空心微球球形度好于99%,同心度好于98%.《互联网》
39. Experimental study on mechanical property of sphericity bearing model for bridge
桥梁球型支座力学性能试验研究
40. Laser interference method for measuring super high precision sphericity
超精密球度的激光干涉测量方法
41. On the Asymptotic Distribution of Likelihood Ratio Statistic of Testing Sphericity under a Growth Curve Model in the Complex Case
复生长曲线模型中球性检验似然比准则的渐近分布
42. The results show that, typical morphologies of vanadium carbide appears in the shape of sphericity and strip, and chromium carbide appears lump and lath.
结果表明，钒碳化物为球状和条状，铬碳化物为块状和板条状。
43. All sand grains are quartz sands. Sorting and roundness and sphericity of particles are in good grade-level. Quartz sands are scattered in microcrystalline dolomitic sands in floating state.
岩石中的石英砂分选好，圆度和球度高，它们时稀时密地呈“悬浮”状散布在白云石砂屑沉积物中。
44. The ball forming process has high efficiency and no material loss, and the formed ball has high sphericity, smooth surface and high density.
能使成球辊成形出的铜球整体圆整度好，表面光滑无突，致密度优异并且成球效率高，以及在成球过程中没有材料损耗。
45. An algorithm has been inferred for the sphericity and roundness of fracturing proppant, promulgating the characteristics and building the foundation for technological application.
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。
46. The sphericity of the ball changes a little in the fine grinding process and the frequency of the vibration changes a bit.
球体在精研磨时球度变化较小，振动的频率变化不大。
47. The effectiveness of classical sphericity and Krumbein sphericity was compared to discribe chip-shaped fossil fuel, and the influence of sphericity on fiuidization characteristics was studied.
比较了不同球形度概念对片状化石燃料的描述效果，研究了片状化石燃料球形度变 化对其流态化特征的影响。
48. The Exact Distribution of Likelihood Ratio Statistic for Testing Sphericity in Complex Multivariate Normal Model
复多元正态总体球性检验似然比准则的精确分布
49. The turbulence coefficient and permeability is re lated with the grain size, sphericity and roughness of the proppant, and the porosity of the proppant-filling bed, and the experimental conditions.
紊流系数和渗透率与支撑剂粒度、球度、圆度、支撑剂充填层孔隙度和实验条件等有关。
50. 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。
51. 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
52. Results Protein - loaded microspheres showed good sphericity and narrow diameter distribution, the encapsulation efficiency reached 95 %.
结果微球球形度优良,粒径分布窄, 蛋白质包封率达到95%.《互联网》
53. 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。
54. The results show that the free-lead solder powder is best in the efficient atomization efficiency, size distribution and degree of sphericity with helium as the atomizing medium.
结果表明：在一定雾化条件下，氦气雾化粉末具有最高的有效雾化率、良好的粒度分布，且球形度最好；
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