作物学家的目标是利用遗传、育种和生理学知识来提高产量、改善品质并获得效益。

The goal of the crop scientist is to increase plant production, quality and profit by utilizing genetics, breeding and physiology.

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为此目的，生理学、遗传学基础以及作为关键行为元素的群体遗传学是被研究的。

To this end the physiological and genetical basis as well as the population genetics of key behavioural elements are investigated.

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然而，并不是这样，更多的则是受生理学和遗传学所支配地”。

Many more qualities may be based on physiology and genetics than we've realized.

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