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Journal of Northwest University(Natural Science Edition)
1000-274X
1993 Issue 1
ye jin si tao fen mi nang he fen mi xi bao qiu de jie gou yu fa yu de yan jiu
yu gang
..............
page:39-42
nan zheng liang shan di qu xia gu sheng jie fang she chong gui zhi yan de fa xian
li wen hou
..............
page:75-76，81
