坐标系

• The coordinates used to model a particular graphic world
  用于对特定图形世界进行建模的坐标系。
• Requirements of the canonical quantization in different coordinates
  不同坐标系中的正则量子化要求
• The three - dimensional object representations by object coordinates
  基于物体坐标系的三维图形数据表示
• The combined method of datum transformation between different coordinate systems
  不同坐标系综合变换法
• Gets the x - coordinate of the mouse pointer , in screen coordinates
  获取鼠标指针在屏幕坐标系中的x坐标。