Dang dai jing ji xue yi ku Dang dai jing ji xue wen ku dang dai jing ji xue/. xia ce. dang dai jing ji xue/. shang ce. dang dai gong gong guan xi xue/ dang dai jiao yu jia/. di yi ji. Xian dai jing ji xue yu guan li xue wen ku dang dai xi fang mei xue dang dai bei jing 798 shi hua/ dang dai ming ren gu shi/. di yi ji.