w s a d 上下左右 z c 太阳的走向 1 2 太阳的对应的时间和经纬度的显示-w s levels have a d c z direction of the sun 1 2 Phoenix, the corresponding time and the display of latitude and longitude
由nVIDIA公司编写的一套关于CG语言的开发介绍。是显卡编程开发人员必备书籍。-Prepared by nVIDIA" s CG language on the development of a description. Is a graphics program developers must have books.