Ben shu xi tong, quan mian di yan jiu le zhong guo du liang heng de chan sheng, fa, guan li zhi du, dan wei liang zhi, ke xue ji shu cheng jiu, bing chan shu le yu min guo shi qi zhong guo du liang heng dan wei zhi yu guo ji mi zhi jie gui yu gai zhi de guo cheng.