00599nam a2200193Ia 4500008004100000020001500041020001800056041000800074050002400082100001400106245005300120246004100173260003800214300002900252490003500281650002600316650003900342650002400381200830s9999||||xx |||||||||||||| ||und||  a7100106141  a9787100106146  achi  aTC901b.C53212 2014  a冀朝鼎 0a中国历史上的基本经济区b /c冀朝鼎  a中國歷史上的基本經濟區b/  a北京：b商务印书馆,c2014  a2, iv, 144 p.b;c21 cm.  a中华现代学术名著丛书  aChina -- Public works  aFlood dams and reservoirs -- China  aIrrigation -- China