_ϴVñ^(gu)Vr(sh)ıҪ
_ϴVñʹÕr(sh)Ҫģ
(1)^(gu)V^(gu)УԭˮеđҸȱVόӽڞVόзeǞVӿ϶uڞVӱγɞV^(gu)Vˮ^pʧ(dng)_(d)ijһȕr(sh)VM(jn)ϴʹVӻ֏(f)^m(x)
(2)^(gu)Vr(sh)ˮ^pʧˮ(du)ڞVϱļ׃Щwˮě_ƵӞVȥK(hu)ʹˮеđҸﺬˮ|(zh)׃(dng)s|(zh)^(gu)Vӕr(sh)^(gu)Vʧȥ^(gu)VЧһ̶ȕr(sh)ҪϴVϣԱ֏(f)Vόӵļ{
(3)ˮеđҸкдЙC(j)L(zhng)ڜڞVЕ(hu)(do)Vм(x)︻ֳl(f)F(xin)趨ϴV