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2013-05-23 12:21
求翻译：But the researchers also pointed out concerns. They say bollworms could develop resistance to the cotton plants designed to resist them. And they noted that insects called mirids have become "key pests" of cotton in China. They said this is because of a decrease in pesticide use made possible by Bt cotton.是什么意思？ 待解决
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But the researchers also pointed out concerns. They say bollworms could develop resistance to the cotton plants designed to resist them. And they noted that insects called mirids have become "key pests" of cotton in China. They said this is because of a decrease in pesticide use made possible by Bt cotton.
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