查询词典 perpendicular at midpoint

Finally, a new method of errors analysis (midpoint and barycentric measure method )are presented to measure the errors of surface reconstruction, strong practicability shows that this error measure method is feasible to testify the validity of surface reconstruction.

最后，本文对重建曲面进行了误差分析，提出了一种新的误差度量方法，即中点、重心误差度量法；此方法运算效率高，并在一定程度上可以衡量曲面重建效果的好坏。因此有很强的实用性。

In chapter 4, an optimization Boolean operator of triangular mesh and the algorithm of adding point-swapping edge locally are put forward. With boundary traced by adding midpoint, the triangulation of 2D arbitrary domain is realized. The fast searching method which combines the index rectangle with compass based normal vector is designed to speed the triangulation algorithm.

第四章提出了一种优化的三角网格布尔运算和逐点加入—局部换边法，用中点加点法恢复边界，实现了二维任意域Delaunay三角化算法，用索引矩形和基于法矢的指南针法相结合的快速查询法有效地提高了三角化算法的速度，给出了二维任意域三角网格剖分的实例。

It offered a choice of bregma, lambda, or the midpoint of the interaural line as the reference point.

该图谱应用的定位坐标点涉及前囟、人字点、两耳连线的中点。

A variant of this is to use two capacitors in series for the output smoothing on a bridge rectifier then place a switch between the midpoint of those capacitors and one of the AC input terminals.

要系列中的两个电容器用於输出然后平滑桥式整流上放置一个开关之间的这些电容器中点和交流的一个输入终端的这一变体。

The midpoint and equivalence point for carbonic acid are much higher.

碳酸滴定中点和等量点也高得多。

Firstly , the following proofs are made by means of homothet-ic transformation : 1 the centre of a nine-point circle is at the midpoint of ligature of its curcumcentre andorthocentre; 2 the radius of nine-point circle is equal to half of the radius of its curcumcircle.

本文给出一个简单的证法，先用位似变换的方法证明九点圆的圆心在外心和垂心连线段的中点，九点圆的半径等于外接圆半径的一半。

Any graph's cliping attributes to line cliping finally.It commonly used three kinds of line segment cliping algorithms that mainly included the Cohen-Sutherland algorithm, the midpoint of division algorithm and Liang－Barsky algorithm.

任何图形的裁剪最终都归结于直线段裁剪，常用的直线段裁剪算法主要有Cohen—Sutherland算法、中点分割算法及梁友栋一Barsky算法三种。

The deviation of the process mean from the midpoint of the specification limits.

自生产中所获得产品资料的实际平均值与规格标准值间偏差的程度。

If the president can keep a lid on disgruntlement through the autumn, that alone would be an achievement to mark the midpoint of his five-year term.

如果法国总统能够在秋季三个月中控制住工会的不满情绪，那单单这一点就足以成为他五年任期中半程的一个不小的成就了。

The shroud has an open sidewall and a closed bottom with an outwardly and downwardly extending skirt that extends to the about the midpoint of the height of the container.

该套筒具有一开口侧壁和一封闭的底部，且具有一向外并向下延伸的裙缘，该裙缘延伸至该容器高度的中点附近。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。