ݲڷѵķNֲ^б^Σͺʹҷһηηݲ
ηηݲ
1.N̎¸֬ĤNɱءÛ߷NӰl(f)ѿʹ罡(q)ܵxxȾ
2.ӏ(qing)紲עߵƌW(xu)L(fng)紲PߜظߝrF(xin)mr(sh)ʩ¸֬ĤЧֹˮl(f)wˮv^xs̾ӏ(qing)gڷL^мr(sh)иƽˮҪƵʵʩʩ⛷mr(sh)ͨL(fng)⣬ڷLڇ0.1-0.2%⛺ϠIB(yng)Ĥ(qing)ֲֿr(sh)g~懊ʩٻ3̖(ho)LM(jn)ѿֲֻĿ_ǰ(sh)ڸʩһβ˹ѵ`ڷ|(zh)(qing)ѭh(hun)ʹƷ|(zh)ߣ(yu)|(zh)(wn)a(chn)l(f)ڿɼr(sh)ʩᘌ(du)ˎ¸֬ĤһBm(x)2
ηηݲͺʹҷ@ϣ@ƪ(du)ףҺ\(yn)