三角平动点,Triangular libration point
1)Triangular libration point三角平动点
1.This paper focuses on the sun-earth system and the earth-moon system,and discusses the stability of the triangular libration points and the possibility to locate a.限制性三体问题中的三角平动点 L_4和 L_5处于一个特殊位置,与两个大天体构成等边三角形, 而且这两个平动点是稳定的,不仅在线性意义下,即使在非线性意义下,只要满足一定条件都是如此,因此,在深空探测中似乎具有实用前景。
2.Different from the collinear Ubration points,the triangular libration points in the Circular Restricted Three-Body Problem(CRTBP) are stable when the mass ratio of the system satisfies some conditions.与共线平动点不同,圆型限制性三体问题中的两个三角平动点在一定条件下,无论是线性意义下还是非线性意义下,都是稳定的,其附近存在着周期与拟周期轨道,在深空探测中有应用前景。
英文短句/例句

1.Applications of the Triangular Libration Points in Deep Space Explorations三角平动点在深空探测中的应用前景
2.Station-Keeping of Spacecrafts around the Equilateral Equilibrium Points in the Sun-Earth+Moon System探测器定点在日—地+月系三角平动点附近的轨道控制
3.Automatic nodes distribution and delaunay triangular mesh generation平面自动布点及Delaunay三角形网格生成
4.Delaunay Triangulation Algorithm in Dishevelled Points of Planar Domain平面域中散乱点的Delaunay三角化算法
5.Ascending Triangle上升三角形、平顶三角形
6.an angle formed by three or more planes intersecting at a common point (the vertex).三个或三个以上的平面相交于一个共同的点(顶点)而形成的角。
7.PRODUCTIVITY FORMULA OF HORIZONTAL WELLS IN FOUR SPOT AND TRIANGULAR PATTERNS四点法和三角形井网水平井产能公式研究
8.Analysis of Chinese Measure Words and Their Use in Terms of the Theory of Three Levels从三个平面角度析汉语量词特点及其特殊用法
9.triangulation statioph.1. 三角测量点
10.Research on Fluctuation of Neutral Point Potential in Three-Level Neutral-Point-Clamped Inverter三电平NPC逆变器中点电位波动的研究
11.The 3 altitudes of a triangle are concurrent.三角形的三个高共点。
12.ROTATIONAL INERTIA OF AN ISOSCELES TRIANGLE RIGID PLANE AROUND CENTROID AXIS等腰三角形刚体平板绕质心轴的转动惯量
13.Too much duplicated objects. Like the triangle indicate the start and finish points.许多被复制的图象。象三角表明起动和结束点。
14.Research on Present Condition and Countermeasures of the Mass Sports Activity Spots of the Pearl Delta;珠江三角洲群众体育活动点的现状与对策研究
15.Motion Analysis of the Hanging Point of Uear-triangletruss-shaped Long Stroke Pumping Unit后置三角摆架式长冲程抽油机悬点运动分析
16.A Geometric Inequality Involving a Mobile Point and Triangle涉及三角形及一动点的一个几何不等式
17.a polyhedron whose vertices all lie in one or the other of two parallel planes; the faces that lie in those planes are the bases of the prismatoid.顶点都在一个平面或两个平行的平面上的多面体;位于那些平面上的面是旁面三角台的底部。
18.A new algorithm for the minimum weight triangulation (MWT) of points on a plane, called evolutive minimum weight triangulation (EMWT), is presented.提出了一种解决平面点集最小权三角划分的新方法——最小权三角划分进化算法。
相关短句/例句

delta[英]['delt?][美]['d?lt?]三角点
1.On the basis of Poincare Index and zero point-detection of gradient field,a hierarchy algorithm for detecting singular point(core and delta) was proposed.提出了一种分别基于Poincare指数和梯度场零点检测的分级算法来提取奇异点(核心点,三角点)。
2.A fast point pattern matching algorithm based on core and delta information obtained from fingerprint classification is achieved.利用指纹分类获得的信息来进行指纹匹配 ,实现了一种基于中心点和三角点的快速点模式指纹匹配算法 ,成功地解决了指纹匹配中的图像旋转、平移和形变不变性问题 ,并具有良好的快速性 。
3)Three right-angle points直角三点
4)triangular net三角网点
5)triangulation point三角点
6)triangulation point三角测点
延伸阅读

三角点三角测量中组成三角锁(网)的各三角形的顶点。点位宜设置在通视良好、易于扩展低等网的制高点上。点上埋设有标石,以示点位;点的地面上架设有觇标,以供观测。