本文研究的非线性规划综合配备法，是一种能比较全面地适应华北平原一年两熟耕制的配备计算方法。

Therefore, an integrated disposition algorithm based on nonlinear programming, which can be suitably applied in two crops a year area in North China Plain, is developed and validated.

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华南地区的广东，尽管稻米一年能熟两到三季，也并不妨碍广东人爱吃面。

Rice paddy gets ripe in Guangdong for up to three seasons out of a year. But that doesn't prevent the Cantonese from loving the noodles.

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大理的土地非常肥沃，在这里栽种粮食可以一年两熟，这里的主要作物有大米、小麦、豆类、油菜、玉米和烟草。

The Dali fields are very fertile yielding two crops a year, the principal crops being rice, wheat, beans, rape, maize and tobacco.

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