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關(guān)注：1
2013-05-23 12:21
求翻譯：in Brassica spp. most eggs are laid on the upper leaf surfaces; in Barharea Beckmann spp. (water-cress, etc, ) most are laid on the lower leaf surfaces? and in Arabia L. spp. (rock-cress) similar numbers are laid on both leaf surfaces. The eggs hatch in 2 - 3 days and the small caterpillars then crawl to the lower leaf是什么意思？ 待解決
 懸賞分：1
- 離問題結(jié)束還有
in Brassica spp. most eggs are laid on the upper leaf surfaces; in Barharea Beckmann spp. (water-cress, etc, ) most are laid on the lower leaf surfaces? and in Arabia L. spp. (rock-cress) similar numbers are laid on both leaf surfaces. The eggs hatch in 2 - 3 days and the small caterpillars then crawl to the lower leaf
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