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.
在林业生产实践中，用灰色系统模型预测人工林材积生长率有其适用价值。
It is worth while to apply the gray system model to predict the forest growth in practice.
通过杨树标准地和解析木的调查分析，建立了预测精度较高的杨树生长收获模型。
On the basis of analyzing and investigating the plots and stem analysis of poplar, the growth and yield models of poplar were established.
最后，我们还研究了一般生长曲线模型在不同可预测变量下的简单投影预测关于协方差阵的稳健性。
Finally, robustness of the simple projection predictor in the general growth curve model with different linear predictable variable on the covariance matrix are investigated.
利用已建立的阶跃函数模型可以有效地预测不同桉树品系人工林树冠生长动态，为桉树人工林的合理经营提供科学依据。
With these step function models, the crown diameter growth of Eucalyptus clones can be predicted, and it also provided scientific basis for the reasonable management of Eucalyptus plantations.
预测微生物的数学模型可以对食品中微生物的生长、残存和死亡进行数量化预测。
The mathematical model of predictive microbiology can qualitatively analyze the growth and survival of microorganisms existed in food.
准确模拟绿色面积指数是作物生长模拟模型可靠预测作物生长和产量的关键。
Aims Accurate simulation of green area index is critical for reliable prediction of crop growth and yield using a crop growth model.
按照推荐的火腿储藏低温及霉菌适宜生长温度范围，选取五种不同温度建立生长预测模型。
As the recommended ham's storage temperature and mould's optimal temperature range, there were five different temperatures determined to establish growth predictive models.
以蒸汽分子扩散模型为基础，建立了预测霜层生长过程的数学模型，并建立了以液氮为冷媒的管内强制流动结霜实验台。
Based on molecular diffusion model of water vapor a theoretical model of frost growth is established and an experimental set with a liquid nitrogen cooled tube is built up.
各月模型的预测准确率达到90%以上，能较好地预测该区棉花生长季内的热量状况；
The results showed that each model could well forecast heat status in each region during the cotton growing period, and the all of the accuracy rate was above 90%.
本文通过饲养屠宰试验研究了肉仔鸡体组成及体组分间的异速生长关系，旨在为建立肉仔鸡生长预测模型奠定基础。
The allometric relationships between body composition and components in broilers were investigated to establish the growth model to predict the growth of broilers.
构建良好的作物生长发育模型，不但可以预测作物在不同的环境条件下模型参数大多需要重新估计和优化。
Build a good crop growth and development model, not only can predict the crop in different environmental conditions, most need to re-estimate the model parameters and optimization.
基于生长模型的温室小型西瓜栽培管理专家系统将模型的预测功能与专家系统的逻辑推理相结合，提高了温室小型西瓜的栽培管理水平。
The system was designed to help agronomists and farmers to make strategic and tactical decisions, to dynamically regulate the growth of greenhouse watermelon, and to answer the management …
基于生长模型的温室小型西瓜栽培管理专家系统将模型的预测功能与专家系统的逻辑推理相结合，提高了温室小型西瓜的栽培管理水平。
The system was designed to help agronomists and farmers to make strategic and tactical decisions, to dynamically regulate the growth of greenhouse watermelon, and to answer the management …
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