Author expatiates framework design method of model library system in agricultural information decision support systems and the process of form model in cost benefit analysis.
阐述了农业信息决策支持系统中模型库系统结构设计方法，以及经济效益分析的构模过程。
The mathematical model established on the basis of agricultural system principle and method is used to analysis the effects of SRI technique on effective tiller.
采用农业系统原理和方法，建立数学模型，分析了SRI栽培技术对有效分蘖的影响。
This article applies a GM (1, 1) model of Grey System Theory established to forecasts the agricultural water demand of an area in northern China.
应用灰色理论建立了GM(1,1)模型，对华北地区某典型区农业用水量进行了预测。
The system, model and operation pattern of agricultural extension affect the efficiency of agricultural extension work, and decide the success or failure of agricultural extension enterprise.
农业推广体系、模式和运作机制影响农业推广的工作效率，决定农业推广事业成败。
The system model can provide on optimal decision strategy to effectively control PSB population, which contains measures of agricultural control, biological control and chemical control.
建立的系统模型能够提供包括农业防治、生物防治和化学防治措施在内的、对三化螟种群实施有效管理的最优决策方案。
For the characteristics of openness, scatterings, hierarchy, evolution and hugeness of Internet, an agricultural search model based on complex adaptive system is proposed in this dissertation.
本文针对互联网的开放性、分散性、层次性、演化性、巨量性等本质特性，提出了一种农业复杂自适应搜索模型。
Reasonable supply chain operating model and cooperative partnerships is the operating foundation of the Agricultural products quality safety guarantee system based on supply chain management.
而合理的供应链运行模式及良好的合作伙伴关系则是供应链管理下的农产品质量安全保障体系的运行基础。
Information is the foundation to build a high level teaching and scientific research model agricultural university. Constructing information guarantee system is important support condition.
建设高水平的教学研究型农业大学，信息是基础，构建信息保障体系是重要支撑条件。
This paper shows that it is possible to model and simul ate any CIM vector controlled system used for agricultural pump or fan by means of advanced MATLAB and SIMULINK platform.
使用当前先进的MATLAB语言及SIMULINK环境，对农村中大量使用的拖动风机与水泵类负载运行的笼型感应电动机（CIM）矢量控制系统，进行了建模和仿真。
The utility model relates to a hydraulic double-side self-tipping four-wheel trailer which belongs to the technical field of agricultural machinery and uses the original hydraulic system of a tractor.
一种液压双侧自卸四轮挂车属农牧机械技术领域，它用机车原有的液压系 统。
The utility model relates to a hydraulic double-side self-tipping four-wheel trailer which belongs to the technical field of agricultural machinery and uses the original hydraulic system of a tractor.
一种液压双侧自卸四轮挂车属农牧机械技术领域，它用机车原有的液压系 统。
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