Ȼ̳ϯǸվԮȲ˫ʧʷأⲢڽͳΪսʤһڼһͿءԭй½˶թ֮ԭʼԴδ֮ƽңͶȡ֮ѧ˵֮ºڰѱ磬˻˾һִֻҲգԾ+NƽҲգ¹ҲգġϰΰָӲй˸Ϳ̿ҲգЩڶ¹ǧйˣѩ֮µѩƬû˭ģ-
թ֮ԣֳľǹ֮һɢɳ+˽ٹ֮ˣǮٶࡢͣҲֻǵ֮ĿɼŶЭ֮һȫƦºҴйŮӴǸйŮԶΪĻ֮ܺߣﲢûܵӸĻ֮Դࡣй99.9%֮ԣӦ0.01%ࣩ֮ΪαƿĻ֮ëĻضȸȾԱسơᡱϰһͬͬԴΨҶ̬֮ү壬ۻڵĸ䶼ڶթ+֪̳֮࣬ǡ֮ء-
ʲҪԴӴ½ӹȥĹκִָ½ָԣ18%֧ʣҲҪ̫СɱԼ-
թ֮ԣֳľǹ֮һɢɳ+˽ٹ֮ˣǮٶࡢͣҲֻǵ֮ĿɼŶЭ֮һȫƦºҴйŮӴǸйŮԶΪĻ֮ܺߣﲢûܵӸĻ֮Դࡣй99.9%֮ԣӦ0.01%ࣩ֮ΪαƿĻ֮ëĻضȸȾԱسơᡱϰһͬͬԴΨҶ̬֮ү壬ۻڵĸ䶼ڶթ+֪̳֮࣬ǡ֮ء-
ʲҪԴӴ½ӹȥĹκִָ½ָԣ18%֧ʣҲҪ̫СɱԼ-