三维空间

Sequence stratigraphy provides a framework which can be used to predict the distribution of geologica l elements of reservoir forming for explorers, and in which the distribution of oil and gas has a certain disciplinarian.

层序地层学以层序为单位研究盆地充填样式、充填结构、沉积体系以及岩相在三维空间的展布，为石油地质综合研究提供了一个可预测形成油气藏的地质要素分布规律的层序格架，在这个格架中油气的分布有一定规律。

This is a project to use the three-dimensional space vector/point type and related functions, they can be defined using a space vector/point, the realization of vector translation, scaling and rotation, the use of correlation function can also be the realization of the two vectors fork x, the absolute length of a vector, a vector unit, and get a three-point decision to the vertical plane of the vector, be the distance between two points in space, by the two vectors point multiplication by the two vectors angle, such as operations, for the use of user-friendly, each function are detailed notes, I hope all of you useless.

详细说明：这是一个项目时使用到的"三维空间向量/点"类及相关函数，使用它们可以定义一个空间向量/点，实现向量的平移，缩放和旋转等，使用相关函数还可以实现两向量的叉乘，得到一个向量的绝对长度，将一个向量单位化，得到一个三点决定的平面的垂直向量，得到空间中两点的距离，得到两向量的点积，得到两向量的夹角等操作，为方便用户的使用，每个函数都有详细的注释，希望对大家有所用处。

In the research of image system, a image processing algorithm of welding seam is established on the basis of image math. model of structured light of Fourier-transformation of lens in space, and the image analyzing system based on the rule-model of the features of welding seam in 3D-space is also established which can meet the requirements of the auto-programming of welding parameters for arc welding robot in accuracy and reliability.

在焊缝图象系统的研制中，基于结构光空间付氏变换的光纹图象数学模型，建立了焊缝图象处理算法，并基于焊缝三维空间特征的规则模型，建立了焊缝图象分析系统，使焊缝检测与分析的精度和可靠性达到了弧焊机器人焊接参数自动规划及焊接路径自动规划的精度要求。

Some indices(dominance index of arborous layer,species diversity,species richness index,composition characteristics of life-form and others) were compared and analyzed.

林地的组成和结构特点反映了林地的植被组成特征和三维空间组成状况，是研究林地生态效益及营建管理的基础。

The method relies on the facts that the row vectors composed of all the image points span, the same linear subspace as the row vectors composed of 3D space points span and that a basis of the subspace can consist of two row vectors composed of all the image points and one row vector in 3D space that is orthogonal to the former. The row vector can be determined, and the 3D reconstruction is accomplished. The novelty lies in the fact that the method can treat all the image points uniformly.

利用所有图像序列构成的行向量生成的子空间之和与三维空间点构成的行向量生成的子空间是同一线性子空间、同时由所有图像点构成的2个行向量外加一个行向量就可以组成该子空间的一个基底的特性，线性地求取子空间中的行向量，最后完成三维重建。

Based on the three-dimensional position movement matrix and the transformation matrix of the products during the installation sistuation, it solves the problems of disassembly and installation of the parts.

略粗研讨了拆配入程仿实外当用零部件反在三维空间的位姿活动矩阵及其变换矩阵解决零部件的拆配和拆拆题纲。

By a series of processing and analyzing the three-dimensional space various graphs and images of seismic wave, many mechanical parameters of rock and soil are computed.

通过对三维数据结构的一系列处理分析形成三维空间地震波的各种图形图像，最终计算岩土体多种力学参数，从而实现对隧道及地下工程前方地质情况的判译、预报。

Nevertheless, the use of the computer medium allows the data to be managed in three dimensions.

然而，由于计算机媒体的使用的数据可以在三维空间上被处理。

Let's have a look at of the following works of Shang Yang: Huangtu Gaoyuan Mother (1983), A Vehicle (1986) and A Family (1987). One striking feature of these paintings is the deletion of the perspective three- dimensional space composition. There is no close shot, no medium shot and no long shot in these paintings; there's no foreground or background either. The relation between human beings and environment in these works are by no means perspective.

让我们看看《黄土高原母亲》（1983）、《车儿》（1986）、《一家子》（1987）等作品，这些作品的一个显著特征是取消透视的三维空间构图，它们没有通常意义上的近景、中景与远景，也没有通常意义上的前景与背景，画面上的人与环境的关系是非透视的。

One of the most fantastic things about digital products is that the working model presented to users need not be bound by the limitations of physics and the inherent messiness of real three-dimensional space.

数字产品最为奇特的特点之一是展现给用户的工作模型不必受物理上的限制，也没有随之产生的杂乱的真实世界三维空间。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。