1.
The Research of the High-Precision Sphericity Measurement Theory and Configuration;
高精密球径球度测试理论及机构研究
2.
Research of optimum diameter of balls used in φ3200 mm×3100 mm ball mill
φ3200mm×3100mm格子型球磨机最佳球径的探讨
3.
Influence of Size and Number ofGraqhite Nodules on Wear Property of DCI
石墨球径和球数对球墨铸铁耐磨性的影响
4.
This paper deals with the relation between the size of graphite nodules and the eutectic expansion force of DCI and the influence of the size of graphite nodules on wear property of DCI.
探讨了石墨球径的大小和球铁共晶膨胀力的关系,球径大小和球数对球铁耐磨性的影响.
5.
A Research on the System for Measuring the Diameter and Sphericity of the Ball Based on Pneumatic Measurement;
基于气动测量的球径球度测量系统研究
6.
Radii of sphere surfaces
GB/T6403.1-1986球面半径
7.
The diameter of the sun is one hundred and nine times that of the earth .
太阳的直径是地球直径的109倍。
8.
How much is the diameter of the sun longer than that of the earth ?
太阳的直径比地球的直径长多少?
9.
The diameter of the sun is more than one hundred times longer than that of the earth .
太阳的直径比地球直径长一百多倍。
10.
The diameter of Mars is slightly over half that of the earth.
火星的直径比地球的半径稍大些。
11.
A golf hole in which the fairway is abruptly angled.
拐形击球区高尔夫球座和球洞之间有急折路径的击球区
12.
Testing of large aspheric surfaces by subaperture stitching interferometry
子孔径拼接检测大口径非球面技术的研究
13.
Aspheric mirrors and condensers in various diameters and relative apertures.
（4）各种不同口径及相对孔径的非球面镜及非球面聚光镜。
14.
Pig receiver& launcher shall be horizontal, and the diameter of pig valves shall be equal to the inner diameter of the pipe cleaned.
收发球筒采用卧式平放，收、球阀的直径应等于被清扫管线的内径。
15.
Pig receiver &launcher shall be horizontal, and the diameter of pig valves shall be equal to the inner diameter of the pipe cleaned.
收发球筒采用卧式平放，收、发球阀的直径应等于被清扫管线的内径。
16.
A line segment that joins the center of a sphere with any point on its surface.
球半径将心与球面上任一点起来的线段
17.
Most high schools have football, basketball and track teams.
大多数中学都有足球队、篮球队和田径队。
18.
Effects of Ball Radius and Additive on the Behavior of the Planet Ball -Milling
磨球直径和添加剂对行星球磨行为的影响