• 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.

    本文采用参数估计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

    youdao

  • 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.

    本文采用参数估计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

    youdao

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