基于球极投影保持PH性质这一特性，通过球极投影把球面数据投影到平面上，构造一条平面PH曲线。
Based on the stereographic projection that preserves Pythagorean-Hodographs, a spherical rational ph curve is constructed to solve this problem.
采用晶面的极射赤面投影方法，从理论上绘制了一套不同立方晶体的理论电子通道图。
A set of ideal ECP maps for different cubic crystals was theoretically delineated by using the sterographical projection method of crystal planes.
赤平极射投影还要有其他的作图方法加以补充。
The stereographic projection must be supplemented by other constructions.
根据极平投影作晶体图和计算机绘图原理，本文建立了一种新的晶体形态计算机绘图系统。
According to the principle of V. Goldschmidt 's gnomonic projection and crystal computer graphics, a new system of computer graphics of crystal shape is presented in the paper.
对随机发育的岩体结构面，赤平极射投影是确定优势结构面及分析边坡潜在破坏模式的基础。
As far as the stochastic rock mass plane is concerned, the method projection on equator plane is based on ascertaining preferred plane and analyzing latent destroy pattern of slope.
将热源及冷源分布在绘有北半球极赤射面投影地图的底面上。
The heat and cold sources are distributed at the stereographic projection map of Northern Hemisphere on the dishpan bottom.
最后运用赤平极射投影进行空间滑动力与阻抗的分析计算。
Finally, the method of equatorial horizon projection is used to analyze and calculate the sliding force and the resisting force in space.
对于地球极表象为直线的投影，本文运用对偶变换和广义轴位变换，得出了它们的几种新款式。
This paper obtains some new types by using dualistic transformation and generalized transformation of axis, the projections in straight line for earth pole.
然后，把这些结果从一般的混合体积和投影体推广到混合投影体的极和混合仿射表面积上，获得了一些较理想的结果。
Then, the authors improve above results from mixed volume and projection bodies to the polars of mixed projection bodies and affine surface area, and get some analogous results.
本文先采用赤平极射投影法和平面滑动法分析该边坡，初步判断处于不稳定状态，需加固。
In this paper, it begins with Stereographic projection method and flat-panel sliding method for analyzing the slope stability. The results show that slope needs reinforcement.
墨卡托投影可以认为是这种投影的反面，因为墨卡托投影下两极方向的面积被放大了。
You can almost say that the "opposite" of the Plate Carree is the Mercator projection which stretches areas close to the poles in the opposite direction, making them look very big.
借助于四维坐标的球极平面投影验证SO(4,2)与SU(2,2)间的同态特性。
Demonstrated Homomorphic Characteristic Between SO (4, 2) and SU (2, 2) by Stereographically Projecting of Four-dimensional Coordinates.
根据边坡及优势结构面的产状，利用赤平极射投影，结合优势结构面理论方法，对边坡稳定性进行了分析。
According to the attitude of the slope and preferred structural plane, the stereographic projection and preferred plane theory are used to analyze the slope stability.
卡德尔，极寒幽魂，是时光之外的冰冷投影。
Kaldr, the Ancient Apparition, is an image projected from outside time.
本文还给出了圆弧的投影方程，为计算机绘制极赤图提供了计算方法。
Besides, the projecting formula of the circular arc is also listed in the paper, which can offer the computer a calculating method to draw stereoscopic projection.
本文介绍一种绘制极射赤面投影的程序。
The program for plotting of stereographic projection is introduced in this paper.
南极地区常用的地图投影方式有：极方位立体投影、横轴墨卡托投影、兰伯特正形圆锥投影等三种等角投影。
There are three popular map projections in Antarctica-Polar Stereographic projection, Transverse Mecator projection and Lambert conformal Conic projection. They are all conformal.
导出了线元切向量的变形方程以及拉伸轴在极射赤面投影图上位置变化计算公式。
The purely kinematical equation for the tangent vector of a line element is derived.
南极地区常用的地图投影方式有：极方位立体投影、横轴墨卡托投影、兰伯特正形圆锥投影等三种等角投影。
There are three popular map projections in Antarctica-Polar Stereographic projection, Transverse Mecator projection and Lambert Conformal Conic projection.
南极地区常用的地图投影方式有：极方位立体投影、横轴墨卡托投影、兰伯特正形圆锥投影等三种等角投影。
There are three popular map projections in Antarctica-Polar Stereographic projection, Transverse Mecator projection and Lambert Conformal Conic projection.
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