查询词典 intersection

This paper presents a robust algorithm for the computation of the intersection of an implicit surface and a parametric surface.

算法主要分为两部分：特征初始点（边界点，转折点和奇异点）的求取和单调段的踉踪。

Presents a grid-based intersection algorithm of parametric surface and plane, which is characterized by effectiveness and conciseness, and has been successfully implemented in the RP data processing software.

这种算法简单、实用，已成功地应用于基于CAD模型直接分层的RP数据处理软件中。

Based on parametrization representation of subdivision surfaces,precise intersection and trimming algorithms are put forward.

基于细分曲面的参数化表示，研究了细分曲面的精确求交、裁剪算法。

This paper builds modified object lattice by introducing two partial ordering relations ≤′ and C′ and a new intersection ∩′,followed by generating a concept lattice with the modified object lattice.

通过在对象集内引入两个偏序关系≤′和C′及一种新的交运算∩′来建立改进的对象格，然后通过此对象格产生概念格。

Zhongwei City, Ningxia Hui Autonomous Region is located in the Midwest, Nanjing, Gansu, Inner Mongolia, three provinces in the district at the junction point is the NT's third-largest rail hub, Paulhan,甘武, Po in the railway and is currently under construction in the railway too in this intersection .

中卫市位于宁夏回族自治区中西部，宁、甘、内蒙古三省区交界点上，是西北地区第三大铁路交通枢纽，包兰、甘武、宝中铁路和正在建设中的太中铁路在此交汇。

When a user attempt s to perform an operation on a database object that employs security features, that user′s set of permissions are based on the intersection of that user′s explicit and implicit permissions.

当用户要对使用了安全功能的数据库对象执行操作时，该用户所具有的权限基于他的显式和隐式权限的交集。

When a user attempts to perform an operation on a database object that employs security features, that user′s set of permissions are based on the intersection of that user′s explicit and implicit permissions.

当用户要对使用了安全功能的数据库对象执行操作时，该用户所具有的权限基于他的显式和隐式权限的交集。

EMC technology is a more and more important technology domain and its permeation and intersection are more and more clearly seen.

欢迎从事 EMC 技术研究及应用领域的专家、学者和工程技术人员撰写论文或文章。

With out any calibration or 3D reconstruction,the approach can be used to describe the relationship between planar lines,such as parallelism, perpendicularity or intersection, and so on.

将本方法应用于真实图像的直线关系解释中，实验结果验证了方法的有效性。

Conventional approaches of signal control optimization and geometric channelization may not be an inappropriate solution to an oversaturated urban intersection, especially where physical expansion is limited by the intensive land-use development around it.

传统的交通信号控制优化和路口几何渠化或路口扩展在现实中可能遇到许多局限。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。