rectangular spherical coordinate造句

this paper is composed of two parts including 5 chapters . in the first part ( including chapter 2 ^ 3 ), this paper explains an improved geometry-model method to eliminating eclipse shadow, using satellite imaging theory and projection theory to convert plane rectangular coordinates into rectangular spherical coordinates . otherwise, through studying eclipse's shape and size, this paper uses a math-function-model to eliminating eclipse shadow
本文共有五章，主要内容分为两部分；第一部分包括第二、三章的内容，利用可见光云图成像原理以及点的投影法，将平面云图投影到三维直角坐标的球面上，对用于云图阴影订正的原几何模型法加以改进，得到改进的几何模型法，并进行日食阴影订正实验；本文还利用数学函数模型法，通过研究月球在地球表面投射阴影的形状及其受影响程度，从另一方面进行可见光云图日食阴影的订正实验研究。
It's difficult to find rectangular spherical coordinate in a sentence. 用rectangular spherical coordinate造句挺难的