编写三维地球生成程序 ,来掌握连续变焦和飞驰图形的编写方法!-prepared generated 3D Earth procedures to control continuous zoom and speeding graphics compilation!

本程序真实描述了地球, 月球, 太阳之间的位置关系, 并且真实描述了地球月球之间的旋转关系, 及地球与月球 绕太阳旋转的关系.,This procedure describes the real Earth, the moon, the location of the relationship between the sun and the true descr iption of the Earth