A.金針蟲(chóng)B.蝗蟲(chóng)C.蟻類(lèi)D.甜菜夜蛾
A.金龜子B.斜紋夜蛾C.菜粉蝶D.小菜蛾
A.五點(diǎn)取樣B.對(duì)角線取樣C.棋盤(pán)式取樣D.Z字形取樣