查询词典 tangent

In this method, the effect of the course of the excavation to the coefficient has been taken into consideration and the coefficient can be got by the initial tangent modulus of the curve about stress-strain relationship.

而目前关于其沿深度的变化规律有多种不同的假设，水平向基床系数的取值大多凭工程经验及现场试验来确定，带有很大的随机性且缺乏足够的理论依据。

A class of Hermite-Bezier fitting surface with condition of tangent vectors is studied in this paper.

本文基于Kirov定理，利用Hermite方法，研究带有附加导数条件的Bezier曲面。

Based on subdivision of surface, a tangent plane method of calculating distance from point to free surface is put forward.

在拟合曲面细分基础上，提出切平面法快速求解点到自由曲面距离。

If a surface is curved, then tangent space rotates as you move along that surface.

如果给定表面被弯曲，那么切线空间将会跟着表面转动。

After an arbitrary time, the new position of the wave front will be that of a surface tangent to these secondary wave lets.

介质中波动传播到的各点都可以看作发射子波的波源，而在其后的任意时刻，这些子波的包络就是新的波前，这就是惠更斯原理。

The latter is a tangent surface with C-Bézier curve as spine curve.

四、给出了C-B？zier曲线上锥面、切线曲面以及复杂曲面的展开方法。

Tangent surface is developed on the basis of unvarying curvature of ridge-line.

两类可展面的展开方法均被应用于工程实际问题。

Suppose that is a point on a surface S with equation F=O and that the partial derivativesand are continuous and not all equal to zero at M, then the tangent plane to surface S at point M is given by

假设是方程所确定的曲面S上的一点，F的偏导数在该点连续且不同时为零，则曲面S在点M的切平面的方程是

Static friction: When objects and other objects along the contact surface tangent direction of movement or relative movement of the trend in the two objects contact surface between the hamper their relative movement of force, this force is friction.

静摩擦力：当物体和其他物体沿接触面切线方向运动或相对运动的趋势，在两个物体接触面之间的阻碍它们相对运动的力量，这股力量是摩擦。

Based on the principle of surface development in differential geometry, the method of development for cone and tangent surface is given. Cone is developed in the unit ball way.

锥面的展开是利用单位球方法，确定直母线与平面上过定点射线之间的映射关系，进而展开曲面；切线曲面的展开则利用准线曲率在展开中的不变性，确定准线在平面上的展开曲线，再作与之相切的直母线，从而实现曲面的展开。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。