1、单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,7-,：,1.,.,2.,.,.,3.,:,:,:,6,(1999-10-12-6),2.,1750,1800,1850,1900,1950,2000,2050,20,40,60,80,100,0,18-,18-20-,1,1830-11999-6
2、 1 .,10,1830,20,1930,30,1960,40,1975,50,1987,60,1999,每增加,10,亿所需的时间,/,年,人口,/,亿,10 20,20 30,30 40,40 50,50 60,30,100,15,12,12,1 ,100,2.,.,.,.,4 1998-,.,%,%,%,1.,16,1.0,2,1.9,1.,2,0.9,4,1.0,3,1.8,2.,43,-,=,0.1,4,0.7,-0.0,9,4,.23,(,1),(2),3.,(100),1950-:2.2,1960-:2.8,1970-:3.6,1980-:4.7,1990-:6.3,2000-:7.8,人口,/,亿,1,2,3,4,5,6,7,8,1950,1960,1970,1980,1990,2000,-,-,2.,72,24,18,72,18,3,38,:,.,=,A,B,A,B,500 ,40000 ,A,B,12500,12500,1000000,2000000,80,160,-,1.:,(1).,(2).,.,4.,:,:,(1),(2),(3),2.()()().,3,.,A,(),B,(),A,B,1.()().,:71-,
浙ICP备2021020529号-1 | 浙B2-20240490 
