-> dBt(y)Ժ
dBоô
rg2014-1-2 17:41:31 dBt(y)Ժ
ڱdBоô@}҂ҶҪ֪ɣdB@o˂ΣDzСܶ˶ҪJ˽@Щĸ@ЩκΕr҂ҶҪעӺõ˽@Щ҂ҪԔĽBһ±dBоô?
dBһo҂˺ܴĂdB˂^µһNl(f)oߵĽܴĂ҂(yng)ԓ˽dB֪R߀ҪðdBA(y)ֻ@Ӳ܉pٰdBĂôdBоôӡ
dBίt(y)ԺкܶxҲһy(yng)ԓl
ȣίdBt(y)ԺČһҺõt(y)Ժ횓һ֧ČίdBͬrҪąf(xi)dBͬͨļdBijN̶ϴһķ(f)ԡdBоô?һ֧õίdBČ҈FdB^OҪt(y)Ķ֡
ίdBt(y)g(sh)SF(xin)ίdBg(sh)İl(f)չȻһЩίdBt(y)Ժ\Ԅ(chung)µίg(sh)@ȱ(qun)ԣ䰲ȫ͌I(y)Ը|(zh)dBоô?ˣҪһЩԄ(chung)?zhn)֮t(y)ԺƫƼP(gun)I
ڰdB҂˽@Щ(ni)֮dBоô҂Ҳͺˣ҂߅зdzļ@Щo҂?gu)ܶӰ푵ģ҂κΕrҪעӺõıo҂ԼڰdBκΆ}ֱԃ҂Čҡ
аdBĆ}ՈԃھҞ
һƪ: dB(f)
һƪ: dBI(y)t(y)Ժļ