1^V
r(sh),ˮD(zhun)y_B(ti)̎ˮͨ^VW(wng)ÑTԭˮеļ(x)Сws|(zh)ҸڑTóe
ڸ
2_ϴ
_ϴr(sh),ˮD(zhun)y_B(ti)(dng)VW(wng)ˮеļ(x)Сws|(zh)Ҹ_(d)(sh)r(sh),ۿϵyT]_,ˮ
Ìճ^VռεIJֵs|(zh)_ϴֱųˮ峺ֹP(gun)]ۿϵy[ ]M(jn)B(ti)
3_ϴ
_ϴr(sh),ˮD(zhun)yP(gun)]B(ti),y_,@r(sh)ˮȏ^VW(wng)Ͳ[ ]ξW(wng)M(jn)^VͲ(c)cwA,ľW(wng)Ͳ(c)
_ϴճھW(wng)ϵs|(zh),_(d)坍^VW(wng)ĿġD(zhun)yP(gun)],ˮ(jng)^_yٴ,ϴЧ