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1·Additionally, The network RTK is mainly used to acquire plane coordinates, and can't provide elevation service in time.

另一方面网络rtk还主要是平面运用，不能实时提供高程服务。

2·Various models for plane coordinates conversion are deduced starting from their geometrical significance in large number of literatures.

大量文献从几何意义上出发，推导了各种平面坐标的转换模型。

3·This paper discussed the feasibility of several transformation methods of plane coordinates, and introduced the design thought of coordinate transformation software.

探讨以下几种平面坐标转换的可行性，介绍坐标转换软件的设计思路。

4·In fact, if I rotated my coordinates to fit with any other plane, I could still do the same things.

事实上，即使旋转坐标系到某个平面，还是可以做到一样的东西。

5·Now, this has to stop somewhere. I can start claiming that I can somehow bend my coordinates to a plane, any surface is flat.

现在必须得停一下了，之前说到的，可以通过把坐标系变换到某平面上，那些曲面都是平的。

6·Well, let's plug its coordinates into the plane equation.

让我们把它的坐标代入平面方程。

7·How do I find the world coordinates of a pixel on the image plane?

我怎么才能找到世界的图像平面上的像素坐标？

8·So the idea of spherical coordinate is you're going to polar coordinates again in the rz plane.

所以说球坐标系,其实就是在rz平面再建立一个极坐标。

9·Remember that polar coordinates are about replacing x and y as coordinates for a point on a plane by instead r, r and theta,which is the angle measured counterclockwise from the positive x-axis.

极坐标是关于r，θ的,用r，θ代替平面上一点的x，y坐标，是从原点到那一点的距离，，which，is，the，distance，from，the，origin，to，a，point，θ是由x轴逆时针旋转,而得到的夹角。

10·Prove some inequalities involving a moving-point on the plane of triangle with it′s distance coordinates.

利用三角形的重心坐标，证明涉及三角形平面上一动点的一些不等式。