The Spatial data type allows developers to represent data that USES a system of coordinates, such as shapes, lines, or points on a map.
使用空间数据类型,开发人员可以表示使用坐标系统的数据,比如形状、线条或是地图上的点。
Instead, he said, "it is a pattern, like a bar code with thousands of lines on it," that allows researchers to tease apart the fine points of relatedness among populations.
相反的,他说,“是一种模式,就像上千条线组成的条形码一样,”这使得研究人员能够分别群体中细微的相关之处。
Study of points, lines, angles, surfaces, and solids based on Euclid's axioms.
以欧几里德的公理为基础对点、线、角、面和立体的研究。
Next step was to take a deeper look on these drawn lines and make sure that all points has a nice smooth flow both from front, back, left right and top.
下一步是要将这些画出来的线进一步深化,并且确保每一个点无论从正面、背面、左右还是顶部来看都是平滑过渡的。
A one-to-one correspondence between the points on two lines determined by a given point, not on either line, called the center of perspectivity or point of perspectivity.
由一给定点确定的、两条直线上的点之间的一一对应,该给定点不在这两条直线上,称为透视中心或透视点。
Firstly, a number of sampled occluded boundary points are obtained by calculating reliability of the disparity on the corresponding sampled scan lines.
首先通过采样计算立体图像对中几条扫描线的可信值,从而得到遮挡边界的若干采样点;
A special case of information systems where the database consists of observations on spatially distributed features, activities, or events, which are definable in space as points, lines, or areas.
一个空间信息系统的例子,数据库由对空间分布特征、活动性、事件进行观察所组成,在空间可定义点、线、面。
Firstly, a group of lines through the model center depending on a pseudorandom number is generated. Then the intersection points of these lines and the model's surface are chosen as embedding objects.
算法利用伪随机数产生经过模型中心的直线,选取以直线与模型交点为球心的球形邻域作为嵌入对象,通过抖动调制邻域内顶点的重心来嵌入水印信息。
A new visual dead reckoning positioning method is presented for mobile robot, which is based on lines and single feature points.
提出了一种基于直线和单特征点的视觉推算定位方法。
Squeeze-pressing can be done on the points to get spotted ecchymosis, it can also be done along the channel with the ecchynosis arranged in lines.
操作时,可按穴点做点状挤压,也可在身上循经络连续挤压出多个瘀斑瘀点、并使之排列成行。
The law of panoramic perspective on cylindrical surface about points, lines, and surfaces is is summarized.
总结了点、线、面的圆柱面全景透视的规律。
Seeking on intersection points of contour lines of parallel indexing cam and its smooth transition treatment;
本文讨论了等值线与网格线交点的追踪和计算方法。
I avoid stepping on the lines of the court in between points and I always keep a penny if I find one, for luck.
如果能找到一分钱我就把它呆在身上,为了交好运。
I avoid stepping on the lines of the court in between points and I always keep a penny if I find one, for luck.
如果能找到一分钱我就把它呆在身上,为了交好运。
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