Some transgenic trees of this kind are being tested in America.

美国正在检验一些基因变种树。

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This information has laid a solid foundation for using transgenic technology to cultivate new varieties of forest trees for high yield, fine quality, high stress tolerance and pest resistance.

这些重要基因的获得为利用转基因技术培育高产、优质、抗逆、抗病虫害的林木新品种奠定了一定的基础。

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We had a stand of transgenic trees, which we were engineering to make them easier to pulp, so you could use fewer chemicals in the process.

ECONOMIST: Food and science