查询词典 intersection

It regards the cutting track of virtual surgical knife as the cutting intersection of a polygon prism and a triangular mesh model.

该算法用凸柱体模拟虚拟手术刀对三维网格模型进行切割，根据截骨术的切口类型构造柱体，用此柱体进行切割实现骨块的分离。

In this paper, according to the data format of surface in mechanics analysis software and based on computer aided geometric modeling, we present a novel intersection and trimming algorithm based on triangular discrete surface to realize the complex modeling of pneumatic membrane structure.

本文按照力学分析软件中曲面表示的数据格式，辅以计算机辅助几何造型的基础，提出了一种基于三角离散的曲面求交和裁减算法，实现了充气膜结构复杂外形的造型工作。

The optimal design and topology commutation can been carried out automatically on the various types and scales of humps through using the comer increment method, the method of point intersection of trochoid and topology commutation method.

用转角增量法、限界轨迹线交点判别法及本文提出的咽喉区网络结构图自动拓扑变换方法实现了各种类型、各种规模驼峰头部和调车场尾部平面图的优化设计和自动拓扑变换。

The union of any two sets consists of those elements that are in one or the other or in both given sets; the intersection of two sets consists of those elements that are in both given sets.

任何两个集合的并集包含了出现于这两个子集中某一个集合或同时出现于这两个集合中的所有元素；两个集合的交集包含了同时出现于这两个集合中的元素。

Let Ω be a collection of its subsets such that:(1) the union of any collection of sets that are elements of belongs to Ω;(2) the intersection of any finite collection of sets that are elements of belongs to Ω;(3) the empty set and the whole X belong to Ω.

和尤承业老师那本书的定义相比，除了一个是英文一个是中文之外没有任何区别。

With studying the sixteen intersections in Kun Ming, a fuzzy clustering method in evaluation of traffic safety is proposed, based on traffic conflict regarding the ratio of traffic conflict and mixed passenger car unit as stylebook character, which provides a new evaluation method for safety evaluation of intersection.

以昆明市的16个交叉口为研究对象，通过运用模糊C一均值聚类方法，引入交通冲突与混合当量交通量的比值作为样本特征，提出对具有分时段交通冲突和交通量数据为依据的交叉口进行安全评价的交通冲突模糊聚类评价法，为交叉口的安全评价提供一种新的研究途径。

Slipper type universal coupling"s fork joint and palm end are the weak parts of the main transmission system. In this article, the two parts" intensity values are obtained through finite element analysis . After making three-dimensional computer simulation analysis by ANSYS, the results show that the middle arc of the fork joint in loaded side and the intersection of fork bore and the arc are the danger location, where the stress is largest and stress concentration is serious.

本文对轧机主传动系统机械部分的薄弱部件进行强度计算，即对滑块式万向联轴器的主要零部件的强度进行有限元分析，通过ANSYS有限元分析软件进行三维计算机仿真，由计算结果可知，在叉头受载侧过渡圆弧段中部、叉头镗孔与过渡圆弧交接处这两个部位的应力最大且存在严重的应力集中，考虑到单元总数限制及计算时间等因素，整体模型的网格划分较疏，不能反映倒圆角等细节。

Easter Island in the South East Pacific, in south latitude and 27 degrees west longitude 109 ° intersection near an area of about 117 square kilometers, is now the Republic of Chile is the Valparaiso region.

复活节岛位于东南太平洋上，在南纬27度和西经109°交会点附近，面积约117平方公里，现属智利共和国的瓦尔帕莱索地区。

It is related inherently with the intersection angles among the lines that the vanishing point s correspond.

由此，本文提出了一种利用消失点列的射影不变量提取平面直线夹角的方法。

Vanishing point is the intersection of the lines in image, which are parallel lines before projecting into one image.

由于影像中噪声的存在，使得平行线在影像上未必交于一点，因此，从摄影测量角度出发，研究了一种以影像直线为观测值，建立直线与灭点相关的平差模型确定灭点的方法。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。