An Evaluation Method for the Roundness Error Based on Curvature;
圆度误差评定的曲率法研究
Study of contact force between drill string and borehole wall in constant-curvature wellbores;
等曲率井眼中钻柱与井壁间接触力分析
Curvature line and curvature characteristics of developable surface;
可展面的曲率线与曲率特征
The practice of predicting natural fracture zones in deep formation in An Peng oilfield indicates that the extremum main curvity method has definite reliability in predicting pull apart fractures of homogeneous terranes.
安棚油田深层系预测天然裂缝发育带的实践表明 ,极值主曲率法在结构均一岩层构造拉张裂缝的预测中具有一定的可信度。
The experimental data has proved that the method can be fit for the shaft with small curvity, especially in straightening the axis in auto′s gearbox.
实验表明此方法适用于初始弯曲曲率较小的轴类零件单步精密校
A computing method is presented for studying the bending moment, axial force and curvity relationship at the section of prestressed concrete beam.
提出预应力砼截面弯矩－轴力－曲率关系的计算方法，并计算了不同预应力度下截面的弯矩－曲率关系。
Generally Spiral Trajectory Curvature Center of Curvature and Torsion
一般螺线曲率中心轨迹的曲率与挠率
The Completely Equal Curvature of Tubular Surface on Viviani s Curve;
Viviani曲线上管状曲面的全平均曲率
On the Calculation of the Curvature and Torsion of Curves =+a+b
关于曲线=+a+b的曲率和挠率的计算
Hypersurfaces with Constant Mean Curvature in a Riemann Manifold with Constant Curvature and with Quasi Constant Curvature;
常曲率和拟常曲率Riemann流形中的常平均曲率超曲面
The Complete Hypersurface with Constant Mean Curvature in the Quasi Constant Curvature Space
拟常曲率空间中具有常平均曲率的完备超曲面
When the curvatures are in the same direction, the part with bigger curvature tends to reduce its curvature value.
在曲率方向相同时,曲率大的部分有向曲率减小的部分变化的趋势。
an instrument for measuring the curvature of a surface.
测量表面曲率的仪器。
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
curvature tensor of an affine connection
仿射联络的曲率张量
On Randers Metrics of Isotropic S-Curvature
具迷向S-曲率的Randers度量
As when you refine a point curve, refining a sweep can change the curvature of the surface slightly.
细化点曲线时，细化扫描会稍微更改曲面的曲率。
Having greater curvature on the concave side than on the convex side.Used of a lens.
凹凸的凹面曲率大于凸面曲率的。用于指透镜
The limit of this ratio as the length of the arc approaches zero.
曲率极限当弧长趋向于零时该曲率的极限
drainage relative permeability curve
排泄相对渗透率曲线
focused resistivity curve
聚焦电阻率测井曲线
area under normal probability curve
正态概率曲线下的面积