投影的

What are the relations between the earth surface, the geoid, and the Earth spherop?

高斯投影的变形特征是什么？为什么常常被用作大比例尺普通地图的地图投影？

Television utilizes the cinematographic projection principle.

电视应用放映电影的投影原理。

Traditional filtered backprojection(FBP) method required complete projection data,which were often difficult or even impossible to acquire for objective reasons.

传统的滤波反投影算法(FBP)要求完备的投影数,而实际检测中往往由于客观原因无法获得完全的投影数。

According to the theory of scalar diffraction, first, the equipollence of spatial distribution of the plane-wave interferential field and parallel projective sine grating is discussed.

摘要量衍射理论，首先讨论两平面波干涉场的空与平行投影正弦光栅的等价性。

Said image pair with parallactic information can also be inputted to the computer by scanning equipment or can be formed by adopting computer three-dimensional animation software.

图对合成片5可以制成透明投影片或幻灯片，用作立体图像的投影。

An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.

摘要构建一个纬线表象为平行于赤道的直线，经线表象为对称于中央直经线的双曲线，且面积没有变形的投影集合，并得到一组概括公式。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘要研究双流道污水泵叶轮常用的图纸表达方法，发现平面图上的断面投影结果与轴面图中确定的断面形状尺寸不一致的问题。

As mentioned above in the directional lights section, the rendering of shadows for directional lights is an approximation that allows us to use a single render to cover a largeish area with shadows.

你也可以使用着色语言作为技术的实现基础来处理阴影投射体和接收体的材质来实现更复杂的阴影算法，比如实现支持自投影的深度阴影贴图。