28 27 2015 4 27 7 3 27 7 4 1.! 100 200 7~8 2006 1769-1821 1853-90 1821-81 1 100-200 1959-98 1979 2. 60 70% 0.5 100 0.9% 3 4 130 18-35 Hara, Brain Dev 2007 12 42% . 2015, 3 1 25% 3 3 4 1000g 3 4% 3 3 10% 2006 245 26 10% 2 . 5 21 10% 4 10% • 5 . 2015. 6 3.! = = = 10 3 = = = 4 11 5 1 1 100 15 10 3 5 30 4. 12 3 TV 5 • OK 5 5. 6 2015 5 • 20 24 20 2 2002 2 2011 7 6 26 12 10 3 2012 11 8 30 20 2014 6 2016 4 2014 3-5 3 1 8 3 7 20 1 51,100 / 2 34,030 / 20 20 14,480 / 26,620 / 20 975,100 1 / 2 780,100 / 27 7 24 9
© Copyright 2024 ExpyDoc