Tong ji xue de shi jie

Ben shu zhu yao jie shao de shi dui tong ji gai nian de ying yong,Yi ji tong ji gai nian dui ri chang sheng huo,Gong gong zheng ce he xu duo qi ta ling yu yan jiu de ying xiang.Ben shu ba tong ji gai nian fen cheng 4 ge bu fen:shu ju de sheng chan,Shu ju fen xi,Ji hui yu gai lv,Tong ji tui duan.