by projection中文什么意思

依照平面海图的航法

• projection:    n. 1.射出，投掷，发射，喷射。 ...
• acute projection:    尖锐突起
• affine projection:    仿射投影

例句与用法

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1. Without using a model whose topology is known for mesh fitting , the algorithm simplifies the 3d surface topology problem to 2d surface topology problem by projection . then the best 3d surface topology is deduced using the minimum summing of spans criterion based on the " minimum offset " criterion which is proposed in this paper to determining the points links between two adjacent contours . the custom software is designed for 3d rendering using opengl interface
   为解决不平行轮廓的重建问题，本文用投影的方法把三维表面拓扑结构问题转化为二维表面拓扑结构问题；为确定平面轮廓间点的对应关系，本文提出基于最小偏移量准则的轮廓拼接算法并用跨段之和最小准则来确定轮廓拼接的起始点和最佳可接受的表面，从而确定三维表面的拓扑结构。
2. The results of eof show that there are three rainfall patterns in china in summer such as midst rainfall pattern , south rainfall pattern and north rainfall pattern . the relations between the three rainfall patterns and three patterns of water vapor transport are discussed by projection , and influencing areas of different vapor inflow corridors are located by correlation
   Eof分析表明，夏季中国东部存在三类异常雨型：中间型、南方型和北方型，用投影法讨论了三类异常雨型与异常水汽输送的关系，并通过相关分析找出了不同水汽通道的影响范围。