查询词典 intersection theorems

The literature on the intersection of two quadrics abounds, including both classical results in algebraic geometry and modern ones in computer aided geometric design.

对QSIC的分类和计算方法已有许多，包括古典的代数几何中的结果和现代的CAGD中的算法。

A new way to avoid ambiguous point in mesh generation process has been proposed and realized by tiny movement of intersection.

在以上研究工作基础上，建立了基于工作站的热裂预测的数值模拟系统，已在沈阳水泵厂安装并投入运行。

This paper raises an objection to the method of gettinS special points on the intersection curve by using analytic geometry and graphic method.

而在求解这一系列公共点的过程中，较准确和方便地求出控制相贯线形状和位置的特殊点的问题，尤为突出。

On the basis of analytic geometry, the projection curve types of intersection lines of cone and cylikder, cone and cone on V plane is hyperbola and cone and sphere is parabola.

基于锥与圆柱、圆锥、圆球正贯时，相贯线V 面投影为双曲线和抛物线，且X 向极值点所在高度只与柱、锥轴线、球心距离锥顶高度和立锥锥顶角有关，而与它们的直径无关，给出了求该极值点的作图方法。

Base on the principle of analytic geometry, the mathematical model of the intersected pipe s is established in this paper, and the curve of intersection is worked out by numerical analysis.

利用解析几何的原理建立了两管及多管相交问题的数学模型，通过数值分析方法求得了相贯线的几何形状。

Based on analytic method and set operation method,the geometric characteristic s of the intersection and union of two or three cylinders with their axes intersecting perpendicularly were studied.

采用解析方法和集合运算方法，首先对柱柱正交中的交集体和并集体的几何特性进行了研究，推导出了它们的表面积和体积的解析表达式。

Only in the certain range of the intersection angle may the blocks be in the instability.

因此，应根据这两个部位的应力来确定破裂压力和坍塌压力。

An angle formed at the intersection of the arcs of two great circles.

由两个大圆的弧相交而形成的角。

The vertex of the angle created by the intersection of rails in a frog or switch.

辙叉角在岔心或岔道上，由铁轨交叉而成的角的顶点

The interception probability of intercept satellite opposed to objective satellite is under the influence of orbit intersection angle and rendezvous time error.

轨道交角和交会时的时间偏差影响着拦截卫星对目标卫星的拦截概率。

Newly designed quick-refill fuel tank cap and dust proof radio box back-up their impressive form by also contributing to the low center of gravity.

新设计的快速填充油箱盖和防尘电台方块备份其令人印象深刻的形式也有助于低重心。

The book is a spin-off from his master's thesis.

这本书是他的硕士论文的派生作品。