这是一个在Vs2005环境下编译需要的动态库文件，当在其他VS环境下也许并不能正常运行，此时需要改动态库进行支持才能正常运行。(This is a compilation in Vs2005 environment need dynamic library file, as in other VS environment may not run normally, need to change the dynamic library to support to run properly.)