1.
Calculation and Analysis of CRD Excavation Method of Beijing Rail Underground Transit Line
北京地下直径线“CRD”工法计算与分析
2.
Calculation and Analysis on Beijing Underground Diameter Line with Pile-Beam Arch (PBA) Method
北京地下直径线“洞桩法”计算与分析
3.
Thickness or diameter, as of sheet metal or wire.
直径，厚度金属板的厚度或线的直径
4.
conjugate diameters of a conic
二次曲线的共轭直径
5.
The axis of a circle is its diameter.
圆的轴线是其直径.
6.
base diameter of involute helicoid worm
渐开线蜗杆基圆直径
7.
three-diameter ells with tangents
带切线直管段的三倍直径弯头
8.
One complete length of a straight course, as of a swimming pool.
直线的路径一段完整的直线距离，如游泳池
9.
Study on Curve Radius Standard for Linear Metro
直线电机轮轨交通线路最小平曲线半径研究
10.
Research on Flexible Online Measurement Technology for External Diameter of Large-diameter Bar
大直径棒材外径在线柔性测量技术研究
11.
The mission took the direct route by air to the boundary.
代表团搭飞机走直线的路径到边界。
12.
The linear speed of ratio of a pulley is in proportion to its diameter.
滑轮的线速度比率与它的直径成正比。
13.
straight ray path tomographic inversion
直射线路径层析成象反演
14.
He drove straight by sighting along the center line.
他注视着中央线，驾车径直向前驶去。
15.
the amount by which a propagating wave is bent.
波在传播过程中对直线路径的偏离。
16.
Classes, symbols, twisting characteristic and applied Wire Diameters
级别，代号，扭曲特性及可用之线材直径
17.
"because a straight line can be thought of as an arc of a circle of infinite radius, its curvature is zero."
直线可视为半径无穷大的圆,曲率为0
18.
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