sphericity

It can manufacture different specification according to the measurement range,when hand-operating and continuous-measuring similar to the common micrometer,read directly the sphere curvature radius when measurement spherical lens.

提出了一种测量球面透镜的球径千分尺,按不同测量范围形成系列化规格,可手持操作类似于公知的千分尺,既可连续测量又能直读球面曲率半径,适用于生产加工中现场检测的实际需要。

In track simulation,the corresponding earth equivalent radius of a track in a specific range is approximate to the earth curvature radius of the latitudinal location of the target.

介绍了在航迹模拟中,一条航迹在一定范围内对应的地球等效半径,可以近似为目标所在的纬度的地球曲率半径。

In this paper, a new undamaged method to measure radius of optical sphere is presented .

提出了一种光学球面曲率半径的无损测量方法 。

Effect of milling ball diameters on mechanical properties and microsturcture of Ti(C,N)based-cermets was studied.

研究了磨球直径对Ti(C,N)基金属陶瓷组织结构和性能的影响。

Precision analysis of measurement of radius of curvature by interferometer

干涉仪测量球面曲率半径的精度分析

Studies of Auto Measuring System of Curvature Radius of Optical Sphere on White Light s Equal Thickness Interference Principle;

基于白光等厚干涉原理的光学球面曲率半径自动测量系统研究

The relation between the surface charge density of a charged ellipsoidal conductor and its principal radii

带电导体椭球的面电荷密度与主曲率半径的关系

Optimization algorithm for the measurement of vertex radius of aspherics with a swing-arm profilometer

光学非球面形摆臂式轮廓法测量顶点曲率半径优化算法研究

Radii of sphere surfaces

GB/T6403.1-1986球面半径

caliber radius head

弹头蛋形部曲率半径

medium-radius lateral drilling

中曲率半径侧向钻井

The reciprocal of the radius of a circle.

曲率一个圆半径的倒数

A study of anterior corneal asphericity Q for tangential curvature

运用正切曲率半径分析角膜前表面的Q值规律

Effects of Liner Curvature Radius on Formation of Double-Layered Spherical Segment Charge Liner into Tandem Explosively Formed Projectile (EFP)

曲率半径对双层球缺罩形成串联爆炸成型弹丸的影响

The Theory of Curve Belt Conveyor;

曲线带式输送机曲率半径的理论分析

Suppression Method of a Probe-coil's Lift-off Noise for the Curved Specimen With Small Curvature Radius in Eddy-current Testing

小曲率半径弧面涡流检测中探头提离干扰的抑制方法

Track radius of curvature of inner ring and outer ring raceway and ball diameter as main geometrical parameters play the most Anpohant role on bering operational performance.

内外沟道的曲率半径和球直径作为主要几何参数，对轴承的使用性能起着至关重要的作用。

"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

Roundness depends on the sharpness or radius of curvature of the edges.

浑圆度取决于边角的锐度或曲率半径。

It is now necessary to introduce a sign convention for radii of curvature.

现在必须介绍曲率半径的正负号规则。

Determination of Curvature Radius of Cam Profiles Using Numerical Differentiation

确定凸轮廓线曲率半径的数值微分法

Axis Control of Shield Driving in Small Curvature Radius of Tunnel

小曲率半径隧道盾构推进的轴线控制