这有很多Delphi应用的例子,可以简单地学会Delphi的基本编程,可以举一反三,利用里面的例子,改成自己的作品-have many examples of the application of Delphi, you can simply learn the basic Delphi programming, can draw examples of the use of inside, into their own work
大地坐标系统的变换,主要适用于GPS学习者和大地测量者学习大地坐标系转换有关理论知识。-geodetic coordinate system conversion, mainly applicable to learners and GPS geodesy learning earth coordinate system conversion of the theoretical knowledge.