* ——— ( 2010 ) 2011 118 837 40. 61% 88 461 74. 44% ——— 5 0 1 : ——— * 2012 2012 hTTp: / / www. cscse. edu. cn / publish / porTal0 / Tab40 / info14966. hTm ( 2012 2 29 )