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ԔͯdB
rg2014-1-2 15:20:49 dBt(y)Ժ
ڃͯdBĆ}^Մ@dBl(f)ļ(ji)dBίٴ˂ҕenjںϵdBLδϣҲdͥϣԼLт麢xίķʽͯdB?һ҂ķ!
ҽBĿǰ҇sн900fdBÿ40fˡ10qº60qǰdBl(f)ăɂ߷У(ni)0-9qİdBռ38.5%10-29qĻռ40%.ͯdB?ҽhͯdBץoίֻ@ӲŲ`e^ίѕrڣط
fͯwٰl(f)߀δȫdBͰl(f)òr^l(f)XpWyעӡОwߕ£Ӱδ|ͯdB ?ӵ˰dBL^ڽäĿĞ麢xÛ]пƌW(j)ίtϻǰȥҎ(gu)I(y)ĿdBt(y)Ժ\
Ŀǰ҇õίdBķֻձˎίЧ̫@gίܕpڰl(f)X(jng)ͯdB ?]LтԞ麢xt(y)Yϵί@ӼЧ،dBίðdBһepΘ!
Cͨ^ҵĽBŴҌڃͯdBĆ}һ˽ˡ҂ѣֻҪ҈Գt(y)Ժ_xһM㺢ϣ߀Ҫ^m(x)˽Ո^m(x)cھԃ!
аdBĆ}ՈԃھҞ