(yng)} |
tù |
a(chn)أ |
ꖾ |
(bio)(zhn) |
cp2005 |
Ҏ(gu) |
20/Ͱ |
r |
380Ԫ/ |
Jλ |
|
a(chn)ƷB |
1)c(din)}}ˮƷډAҺп^(qing)(dng)pHֵ4rÎȫʧ
2) ˎãVcSùmԾеĽSɫ^(qing)mԾеİϗUϗUҲһƷ߀ùw˴w^wžZЧcUɳTٵcԗUo
3) mðYҪˎSɫѪć(yn)ظȾѪYӌm(ni)ĤסùwļԺiùwҲ^ïЧ߀ڹ؈Zίɷࡢ~~Nİ^첡~~(x)Ԡw~İƤ_~
4) ÷c
A. ÿˮ100(ԻˎӋ(j))B35
B. (ni)һÿwiţRx2.2ÿ34Σ؈2-10ˣÿ23~rؐ50ˣÿ1Bm(x)57
C. o}ע(})һÿw20i13ˣţRlһ2؈15ÿ2
D. (ni)ע(})һÿw20-30ˣiRţ2ˣ؈1-5ÿ2Ρ
E. ~ȫ؝ÿˮw0.05-0.07
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l(f)rg |
2011/5/27 9:55:00 |
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