Leng zhan guo ji shi yan jiu wen ku. Leng zhan guo ji shi yan jiu wen ku Leng zhan guo ji shi yan jiu = Dang dai yu yan xue yan jiu wen ku. Hui zhou dang shi yan jiu wen ku Dang dai zhong guo she hui bian qian yan jiu wen ku. Ma ke si zhu yi li lun yu xian shi yan jiu wen ku. Zhong yang bian yi ju wen ku. Zhong guo jian zhu ming jia wen ku. Ci shu yan jiu wen ku.