摘要
W990303 自动检测独立于密度的小麦籽粒含水量[告,英]/Lawrence,K.C.…∥Paper-American Society of Agricultural Engineers.-StJoseph,USA:American Society of AgriculturalEngineers,1997,No.973070.-15 p[WBTA,1998,15(1),493]W990304 商用熏蒸剂 Fumino 的利润及前景[刊,英]/Rangaswamy,J.R.…∥InternationalPest Control.-1997,39(3).-74～76[WBTA,1998,15(1),299]W990305 小麦贮粮中声波强度和速度不同的成虫的声波计数[刊,英]/Mankin,R.W.…
