基于平面相似变换和仿射线性变换原理提出两种格网坐标计算方法，并对其转换精度进行分析，得出有益的结论。
Two different methods based on the plane similitude conversion and affine linear transformation are put forward, conversion accuracy is analyzed, finally useful results are obtained.
如果有一条指令企图让机器人从一个格网坐标移出世界，然而之前已经有机器人从该坐标移出并损失，那么这条指令就应被忽略。
An instruction to move "off" the world from a grid point from which a robot has been previously lost is simply ignored by the current robot.
你可以认为所有机器人的初始坐标都在限定的格网范围之内。
You may assume that all initial robot positions are within the bounds of the specified grid.
如果一个机器人从格网边缘跌落，则应在输出坐标和方向之后输出“LOST”。
If a robot falls off the edge of the grid the word "LOST" should be printed after the position and orientation.
想象这片果树林形成了一个矩形的格网，每棵果树的纵横坐标值均为整数。
Thus the trees form a rectangular grid and we can consider the trees to have integer coordinates.
数字高程模型(DEM)是一定区域范围内规则格网点的平面坐标及其高程的数据集或者是经、纬度和海拔高度的数据集。
DEM (Digital elevation Model) is a data set of plane coordinate or longitude, latitude, and elevation of the regular square grid points in some region.
建立格网模型的效果表明，借助柱面坐标系统构造狄罗里三角形的方法可以作为三维物体表面三角形格网模型的一个重要的基本方法。
The effect of model indicates that the Delaney triangle method of constructing using cylindrical reference frame is an important basic method of constructing triangular grid model.
建立格网模型的效果表明，借助柱面坐标系统构造狄罗里三角形的方法可以作为三维物体表面三角形格网模型的一个重要的基本方法。
The effect of model indicates that the Delaney triangle method of constructing using cylindrical reference frame is an important basic method of constructing triangular grid model.
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