新乡学院本科毕业论文（设计） ABSTRACT XLXUNCXCXCXCXXXCXCXCXXXOXXCXCXX0XXCXCXCXCXXCXXCXCXCXCXOXXCXCXCXXXXXCXCXCXK KXXXXXXXXXXXXXXXXXXXXXXXXXXXKXXXXXXXXXXXXXXXXXK NLXCXCXXCXCXCXCXXCXXCXXCXXXCXXCXXXCXCXCXXCXXCXCXCXCXCXCXCXCXCXCXCXOXCXCXXCXCCX0 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX *CXCXCXCXCXXXCXXCXCXXCXCXCXCXCXCXCXCXCXXCXXCXCXCXOXXXXXCXCXCX XK XCXKXXCXKXK XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXCXCXXXXXXXXXXXXXXXXXCXXCXXXCXCXXXXCXXCXXXCXXCXXXXXCXXCXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXCKCXXXXCXCXCXCXXXXCXCXXXXXCXXXXCXCXXCXCXCXCXXCXXCXCXXXCXXXCXXCK XCXOXXCXCXCXCX0XCXCXCXCXCXCXCXCXCXCXCXCXCXCXCXCXCXCXCXCXOXCXOXXCXOXCXOXXCXCXCXCXXCX0XC NXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Key words:XXXX:XXXX:XXXX:XXXX 英文使用字体为：Times New Roman,英文逗号之后，必须空一格 关键词必须是名词或动名词，与中文对应，的确是文中重要或高频词方可 2 新乡学院本科毕业论文（设计） 2 ABSTRACT XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Key words: XXXX; XXXX; XXXX; XXXX 英文使用字体为：Times New Roman，英文逗号之后，必须空一格 关键词必须是名词或动名词，与中文对应，的确是文中重要或高频词方可