Systems Dynamic Digraph Analysis of Scale Pig Production Development in Center China

查看全文 作　　者：Cuixia [1,2]Wang 机构地区：[1]Institute of System Engineering, Nanchang University, Nanchang 330047, China;[2]College of Information & Management, Jiangxi Financial & Economy University, Nanchang330013, China 出　　处：《Journal of Systems Science and Information》索引2006年第4卷第4期,共14页 基　　金：The research is supported by National Natural Science Foundation of China(70361002). 关 键 词：农田管理 猪排泄物 农田污染 系统动态图