Smith counters that if you factor in the hidden cost of government corn subsidies, environment degradation, and decreased human health and animal welfare, grass-fed is the more cost-effective model.

史密斯反驳说，如果你把政府谷物补贴的隐藏成本、环境恶化以及人类健康和动物保护的减少考虑在内，那么草饲模式更具成本效益。

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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.

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。

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The experimental result is that the correct recognition ratios of corn breed all reach above 80%, which proves that the model is a rational and effective way to identify corn breed.

试验中玉米种子品种的正确识别率均能达到80%以上，证明该模型合理可靠，是实现玉米种子品种分类的有效途径。

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