http://bkds.ustb.edu.cn/ Journal of University of Science and Technology Beijing ( Social Sciences Edition) en 1008-2689 http://bkds.ustb.edu.cn/article/id/db49819d-f284-468e-83e8-bed49a89fd7e Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 1-3. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/db49819d-f284-468e-83e8-bed49a89fd7e 1 http://bkds.ustb.edu.cn/article/id/fbd8573d-582c-4f19-919b-6a8b26b93c4e Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 4-7. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/fbd8573d-582c-4f19-919b-6a8b26b93c4e 4 http://bkds.ustb.edu.cn/article/id/d05b2ca1-9865-4220-bdc9-5cad7983781a Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 8-11. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/d05b2ca1-9865-4220-bdc9-5cad7983781a 8 http://bkds.ustb.edu.cn/article/id/e8d02a17-925a-45f9-a00e-11dcd025eedd Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 12-17. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/e8d02a17-925a-45f9-a00e-11dcd025eedd 12 http://bkds.ustb.edu.cn/article/id/8de1df1d-c93c-4b8a-8e72-b84a28d5d087 Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 18-20. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/8de1df1d-c93c-4b8a-8e72-b84a28d5d087 18 http://bkds.ustb.edu.cn/article/id/49a1470b-3d02-4930-8abd-e474ba60dbda Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 21-24. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/49a1470b-3d02-4930-8abd-e474ba60dbda 21 http://bkds.ustb.edu.cn/article/id/1b7e429b-272a-4465-abc5-c6d3eb729b30 Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 25-27. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/1b7e429b-272a-4465-abc5-c6d3eb729b30 25 http://bkds.ustb.edu.cn/article/id/75740539-1071-46d1-a976-57ef70c7ec45 Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 28-33. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/75740539-1071-46d1-a976-57ef70c7ec45 28 http://bkds.ustb.edu.cn/article/id/223734e0-f6a1-4994-9bb6-33e7d949713c Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 34-37. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/223734e0-f6a1-4994-9bb6-33e7d949713c 34 http://bkds.ustb.edu.cn/article/id/abf46023-4ba0-4590-9550-59cc02969455 Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 38-44. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/abf46023-4ba0-4590-9550-59cc02969455 38 http://bkds.ustb.edu.cn/article/id/56f6b730-8d84-4edf-ade5-69937dda4376 Personal use 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http://bkds.ustb.edu.cn/article/id/16dd3269-92fc-4603-8244-b0ca9e18c6f4 62 http://bkds.ustb.edu.cn/article/id/30b85fd9-5861-420b-9091-8b499dd2c809 Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 66-68. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/30b85fd9-5861-420b-9091-8b499dd2c809 66 http://bkds.ustb.edu.cn/article/id/e9e4c3da-cec2-422a-8645-fd1525b925c1 Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 69-73. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/e9e4c3da-cec2-422a-8645-fd1525b925c1 69 http://bkds.ustb.edu.cn/article/id/a387c4d6-4bf3-4646-89fe-7532c28d7d98 Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 74-80. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/a387c4d6-4bf3-4646-89fe-7532c28d7d98 74 http://bkds.ustb.edu.cn/article/id/ff700be4-094f-4cb7-b555-24cde4632e9b Personal use only, all commercial 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article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/31b390c6-65ce-4455-b0de-218c33d7106a 116 http://bkds.ustb.edu.cn/article/id/82d53e79-0d48-427b-9706-142d7c81e1e5 Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 122-126. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/82d53e79-0d48-427b-9706-142d7c81e1e5 122 http://bkds.ustb.edu.cn/article/id/25578ae6-8571-4237-aa52-6c6ec7c4a5f5 Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 127-131. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/25578ae6-8571-4237-aa52-6c6ec7c4a5f5 127 http://bkds.ustb.edu.cn/article/id/899514d5-58d7-4936-b386-2c4eae8b8a34 Personal use only, all commercial or other reuse prohibited ljj雷竞技下载学报社科版. 2005 21(4): 132-135. article doi: ljj雷竞技下载学报社科版 21 4 http://bkds.ustb.edu.cn/article/id/899514d5-58d7-4936-b386-2c4eae8b8a34 132