查询词典 regular polygon

The basic molding tool provides the cube, the spheroid, the hemispheroid, the circular cylinder, the circular pipe, the ring, the centrum and the polygon.

基本造型工具提供立方体，球体，半球体，圆柱体、圆管、圆环，椎体和多边形。

According to characters of projective view an algorithm for the removal hidden lines from engineering drawing is presented. The presented algorithm removes hidden lines by sorting display planes according to thire depth and selecting area operation of projective polygon.

在微机环境下，开发了一个图形显示、人机交互的图形原型系统；在基于物空间APPEL算法基础上进行改进，设计和实现了一个零件实体模型的隐线消除算法、简单光照模型下的浓淡图生成算法。

The Snow White trench is near the center of a relatively flat hummock, or polygon, named "Cheshire Cat," where scientists predict there will be more soil layers or thicker soil above possible white material.

矿物质中如果含有水，说明火星表面岩石曾经存在于液态水环境。迄今为止，"勇气"号和"机遇"号火星漫游者已经发现了赤道附近地表风化层与水发生相互影响的证据。

In addition to these standard room-type chamber, the small size there are a lot of triangle-shaped hypotenuse, irregular polygon strange chamber, and only one side to light, once separated, they form a dark chamber, the there is no natural ventilation and lighting, this unreasonable is obvious.

除了这些标准客房型商会，规模小，有很多三角型斜边，不规则多边形奇怪商会，只有一方轻，一旦分开，他们组成一个黑暗的房间，在那里没有自然通风和照明，这不合理是显而易见的。

Furthermore, author integrated the vectorgraph technology and database, the program can draw the ichnography of coal mine automatically and query the information of geological survey by point selecting or in rectangle, circular and any polygon drawed by user on the ichnography.

同时将矢量图形技术与煤矿地测数据库结合起来，实现了自动绘制简单的矿区平面图和各种相关的矢量图形操作，并在图上能够进行点选查询和矩形、圆形、任意多边形区域内的地质数据的动态查询。

Aiming at the two propositions (the theorem of three concurrent forces balance and the inertia moment of multimetric polygon), the paper represents and theoretically proves that the condition of three concurrent forces balance should be modified, i.

针对建筑力学中的三力平衡汇交定理和正n边形截面的惯性矩两个命题，提出了应该对三力平衡汇交定理的条件加以修正，即对三力平衡问题中的"三力平行"这种特殊情况不必设条件加以限制，并从理论上加以证明。

An interior angle of a polygon that is greater than 180 degrees.

多角形内部的大于度的角。

A fast algorithm for simple polygon triangulation is presented. Its thought is based on the dynamic judgment of interior angle. If the angle of point is smaller than 180 degree and includes no other points, then the point is connected into triangle. The data structure that enhances the efficiency of the algorithm is designed.

提出了一种内角动态判定的简单多边形三角剖分算法，该算法的思想是对多边形相邻三角点构成的内角进行动态判断，如果小于180度且组成的三角形是否包含其它点，则连成三角形，并设计了有利于算法快速实现的数据结构。

Point in polygon judge thought: point to do ray intersection and the number of polygons.

详细说明：点在多边形内判断，思想：点的做射线与多边形的交点个数。

Study the different scale effect of forest landscape pattern in Beijing mountain area by the sampling of the line pattern, grid pattern and polygon pattern interpolated from point pattern, with the help of information entropy, lacunarity index and geostatistical analysis.

2采用信息熵法、孔隙度指数和空间地统计学三种尺度分析方法，分别从线格局、网格局以及由点格局插值为面格局几个不同角度和层面对北京山区森林景观格局进行尺度效应研究。

It inculcates justification before God on the ground of human merits.

它说明在上帝灌输在地上人类优点。

TH Leaguer has excellent Quality Control and Management System.

本公司具有完善的品管部门。