Cotton rapidly became far and away the nation's most valuable commercial crop during the antebellum years.
内战前的几年里，棉花快速成了全国绝对最有价值的经济作物。
In the centre of the field the wheat is abundant, yielding 10 tonnes a hectare, one of the highest rates in the world for a commercial crop.
试验田中央的小麦确实丰产，每公顷产出10吨，单产率在经济作物领域数一数二。
AOP is a new technology, and, as such, not all of the current crop of tools are mature enough for commercial development.
AOP是一项新技术，所以，并不是现有的所有工具都已经成熟到适用于商业开发。
Recent studies show that bees off the farm have a healthier and more varied diet than those making the commercial-crop rounds.
最新的研究表明，远离农场的蜜蜂，其健康状况和食物数量都比商品作物附近的蜜蜂要好得多。
Strawberry is an important commercial fruit crop cultivated throughout the world.
草莓是世界上广泛栽培的重要商品果树。
Strawberry is an important commercial fruit crop cultivated throughout the world.
草莓是世界上广泛栽培的重要商品果树。
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