(yng)} |
tù |
a(chn)أ |
㽭 |
(bio)(zhn) |
cp2000 |
Ҏ(gu) |
20/Ͱ |
r |
320Ԫ/ |
Jλ |
|
a(chn)ƷB |
1)c(din)}}ˮƷډAҺп^(qing)(dng)pHֵ4rÎȫʧ
2) ˎãVcSùmԾеĽSɫ^(qing)mԾеİϗUϗUҲһãƷ߀ùw˴w^wžZЧcUɳTٵcԗUoá
3) mðYҪˎSɫѪć(yn)ظȾѪYӌm(ni)ĤסùwļԺiùwҲ^ïЧ߀ڹ؈Zίɷ朡~~Nİ^첡~~(x)Ԡw~İƤ_~
4) ÷c
A. ÿˮ100(ԻˎӋ(j))B35
B. (ni)һÿwiţRx2.2ÿ34Σ؈2-10ˣÿ23~rؐ50ÿ1Bm(x)57졣
C. o}ע(})һÿw20i13ˣţRlһ2؈15ÿ2
D. (ni)ע(})һÿw20-30ˣiRţ2؈1-5ˣÿ2Ρ
E. ~ȫ؝ÿˮw0.05-0.07
|
l(f)rg |
2009/12/21 10:54:00 |
|