(yng)} |
tù |
a(chn)أ |
|
(bio)(zhn) |
cp2005 |
Ҏ(gu) |
20/Ͱ |
r |
320Ԫ/ |
Jλ |
|
a(chn)ƷB |
1)c}}ˮƷډAҺп^(qing)(dng)pHֵ4rÎȫʧ
2) ˎãVcSùmԾеĽSɫ^(qing)mԾеİϗUϗUҲһƷ߀ùw˴w^wžZЧcUɳTٵcԗUo
3) mðYҪˎSɫѪć(yn)ظȾѪYӌm(ni)ĤùwļԺiùwҲ^ïЧ߀ڹ؈Zίɷ朡~~Nİ^첡~~(x)Ԡw~İƤ_~ȡ
4) ÷c
A. ÿˮ100(ԻˎӋ)B35
B. (ni)һÿwiţRx2.2ÿ34؈2-10ÿ23~rؐ50ÿ1Bm(x)57
C. o}ע(})һÿw20ˣi13ţRlһ2؈15ÿ2
D. (ni)ע(})һÿw20-30iRţ2؈1-5ÿ2
E. ~ȫ؝ÿˮw0.05-0.07ˡ
|
l(f)rg |
2009/12/6 10:47:00 |
|