PhysX为重要的物理引擎，压缩包里为安装文件及SDK,Important PhysX physics engine, compression bag for the installation files and SDK

一个提取国标汉字的C源码文件，需要的下载解压编译就可以使用了，很小，很强大-An extract of Chinese characters GB C source files, download the required decompression compiler can use, and very small, very powerful