文档介绍
533Vol.53,No.319985ACTAGEOGRAPHICASINICAMay,1998X王兆印(,100044),,1,,,,,,,[1],,4050,,7080,20,,,,,90,,X,NoSupportedbyNatioinalNaturalScienceFoundationofChina):199-09;:1991,,,,,,,,,,[2],5,,2.2,,,(),10km70m[3],,2002.3,,,,,,,,,,[4,5]3:2472.4,,,,33.13.1.1,,,,,,,,,,,=++(3-1),,,3.1.2,,,,,20104t[],199150,823,0%,225823km,200,,0%70%,1988,841987,,,,24853,,,,[7],,,,[8],,,[9],3.1.3,,,,,,,[10],3.1.4,,,,,,,,,(1),:(1),;(2),,,3.1.5-,-8090-[11]GrantRosport[12]-1,,-[13],-,-,3.23.2.1,,,3:2491909,1951973,50,15(1911975)7,,:¹,;º;»;¼3.2.2,,,39,57,,,,,4310250010m,90%,,,,,,,,,,8210t/a,15%3.2.30,Shreve,N,N-12N-1,70,Smart[14],,,,,3.33.3.1,88[15]813010/18010/,32010/tatata851010t/a,,180.5510,8[1]4510/,ta2505322,20km40km,,1995,,2300km,,,8510/ta8210/,1821199117030,takm2100km,,,20,3.3.21988[17]--,,,,1991,2km,,,,,3.43.4.1,708