利用生长模型预测法、马尔科夫链预测法和回归模型预测法对玉米矮花叶病发生流行进行预测，并对玉米矮花叶病损失估计进行了初步探讨。
Maize dwarf Mosaic was predicted using growth model forecasting method, Markov chains forecasting method and regression model forecasting method. And yield loss of MDM was assessed.
其主要目的是为了确定生长预测模型中的目的微生物。
The purpose was to confirm the objective microorganism in growth predictive model.
因此，在制定正确的森林经营决策之前，首先必须建立林分生长与收获模型，以掌握林分结构、生长动态、货币收获变化规律，并预测林分对即将实施措施的反应。
Thus, the growth and obtain models must be established before making the proper manage decision, the structure and grow dynamic and obtain change rule of the stand will be grasped by the models.
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