1.
The principle straightness error of cutting square in work-pieces can be controlled by choosing a suitable pitch diameter of the planetary gear in the machine tools.
选取适当的车头行星轮的分度圆直径，可以有效地控制车方原理的直线度误差。
2.
the ratio of the circumference to the diameter of a circle.
圆周长度与圆的直径长度的比。
3.
Diameter Tolerance, Ovality and Average Decarburized Layer Depth
直径公差，偏圆度及脱碳层的平均深度
4.
Although such a rotor is of comparatively small diameter, its peripheral speed may be as high as 13000m/min;
虽然这样的转子直径比较小，但其圆周速度可高达13000米/分
5.
The plane area bounded by such an arc and two perpendicular radii.
四分之一圆，扇形体由九十度弧与两条垂直的半径围成的平面图形
6.
High-Precision On-Line Measuring System for Cylinder Diameter with Large Range
高精度圆柱直径大量程在线测量系统
7.
diameter of root circular-arc center circle
齿根圆弧中心圆直径
8.
diameter of tip circular-arc center circle
齿尖圆弧中心圆直径
9.
diameter of top circular-arc juncture circle
齿顶圆弧衔接点圆直径
10.
diameter of tip circular-arc juncture circle
齿尖圆弧衔接点圆直径
11.
diameter of root circular-arc juncture circle
齿根圆弧衔接点圆直径
12.
Monitoring and Analysis of a Deep Circular Excavation in Small Diameter;
小直径圆形深基坑的施工监测与分析
13.
An Analysis on Seismic Response of the Sunk Large Diameter Cylindrical Structure
沉入式大直径圆筒结构地震响应分析
14.
Study on the Measurement of Roundness and Straightness for the Inner Hole of the Large Diameter Long Pipes;
大口径长管内孔的直线度、圆度测量研究
15.
velocity along rotor diameter
速度沿旋翼直径的分布
16.
Study of Gradient at Junction of Straight Lane with Semicircle of Typical Track and Field Stadium
标准田径场直道和半圆交接处的坡度研究
17.
A Portable Measuring Device for Circular Profile and Wheel Diameter
便携式轨道车辆车轮不圆度及直径测量装置
18.
Tolerance of Wire Diameters & Ovality
圆径及偏圆度之公差