1. Sl(f)ļӟԪȼϵy(tng)
l(f)ļӟԪȼϵy(tng)Ǯa(chn)ĺIJҪ_@Щ\(yn)D(zhun)ҪzӟԪǷϻǷPEpĵE߀Ҫעzȼϵy(tng)坍̶ԼȼĹrԴ_ȼϵȼЧ
2. Sl(f)Ԅ(dng)ϵy(tng)
Ԅ(dng)ϵy(tng)ͨNԼcBӵĿ@ЩF(xin)}ܕ(do)l(f)a(chn)͜ضȡھSl(f)Ԅ(dng)ϵy(tng)r(sh)ҪzǷ_BYǷF(xin)}(yng)ڿԾSQij̶ȃ(ni)Q
3. So(h)l(f)ճB(yng)
l(f)ڱB(yng)坍;So(h)ǷdzҪֻͨ^ڵľSo(h)ͱB(yng)ܴ_l(f)ĸ(g)ֵЧ\(yn)D(zhun)ھSo(h)坍ˮ՚ˮڙzܾԇC(j)Լ綨ĹЧһl(f)F(xin)Юr(sh)̎Qpĵ㲿O(sh)Ĺϸa(chn)Ч