中国从美国进口大量的大豆、小麦和棉花等农产品，为美国农业提供了广阔的市场。
China imports a large number of such agricultural products as bean, wheat, and cotton from America, providing a big market for American agriculture.
本文采用非参数估计的信息扩散模型测算了我国粮食主产区水稻、玉米、小麦和棉花产量损失风险水平。
The paper applied the information diffusion model of non-parametric estimation to project the level of productivity risks for cereals, rice, corn and wheat at major grain-producing area.
玉米、棉花、水稻、大豆和小麦的生产已在很大程度上实现了机械化，但许多高价值、劳动密集型的作物，如草莓，都需要劳动力。
Production of corn, cotton, rice, soybeans, and wheat has been largely mechanized, but many high-value, labor-intensive crops, such as strawberries, need labor.
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