Through genetic modification of nucleopolyhedrovirus and analysis of its function, we expect to solve the problem gradually.

对核型多角体病毒进行遗传修饰及功能分析，以期逐步解决以上问题。

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Through genetic modification Schijlen succeeded in developing tomatoes not only with more flavonoids but also with new flavonoids.

通过基因修饰，Schijlen不仅在番茄内生产了更多的黄酮类化合物，同时也制造出了新的黄酮类化合物。

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Through genetic modification, it is possible to create trees that produce more fruit, grow faster, or withstand adverse conditions.

通过基因改良，可能创造出具有产量高、生长快、抗逆强特点的树木。

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It calls for genetic improvement of crops through conventional plant breeding and through direct genetic modification of crops.

VOA: standard.2009.10.21