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- When some main fac tors change, there is uncertainty in economic forecast if the forecast method is used as usual. 经济预测中发生主要影响因素改变时 ;若采用通常的预测方法会因历史数据过少而出现较大误差 .
- Short-time forecast method of formation condition and moveme nt of convective storm cell was discussed. 对对流风暴单体的形成条件和移动的短时预报方法进行了探讨。
- The practice shows that the laws and forecast method can be instructive and profitable to the mine production. 实践证明该规律及预测方法能有效地指导生产,取得了一定的经济效益。
- Delphi method is a kind of dependable and visual forecast method with anonymity and feedback. 德尔菲方法是一种可靠的、直观的预测方法，具有匿名性、反馈性等特点。
- A scientific forecast method, the Delphi Method was created by Research and Development Corporation (RAND) in 1964 and has been widely used. 德尔菲法是美国兰德公司于1964年创造的一种科学预测法,目前已成为一种广为使用的预测方法。
- The forecast method of asphaltum concrete pavement performance is studied.The efficiency of the calculation method is proved through illustration. 研究了基于神经网络的沥青混凝土路面使用性能预测模型的分析和计算方法，通过实例验证了该方法的实用性。
- The prediction theory and forecast method of tunnel water gushing in karst areas have long been a difficult hydrogeological problem. 摘要岩溶地区隧道地下水涌水预测方法和理论是长期以来难以突破的水文地质难题。
- Traditional load forecast method had many deficiencies, such as poor precision and crudeness and incapability for non-linear relations. 传统的负荷预测方法往往具有预测精度不高、鲁莽性差、不能表述复杂的非线性关系等缺点。
- In accordance with field investigation to epidemic dynamics of wheat scab,the forecast method for differential equations of epidemic state has been given respectively. 根据不同的状态微分方程，以极大值原理建立小麦赤霉病流行动态的控制论模型，得到流行动态的最优控制轨线。
- Methods: The tendency straightline forecast method &the tendency season-mould forecast method. 方法：用趋势直线预测法和趋势季节模型预测法。
- Methods: The tendency straightline forecast method &the tendency season mould forecast method. 方法:用趋势直线预测法和趋势季节模型预测法。
- Specifically, a sample is given to illu strate the proposed forecasting method. 最后给出一个例子对此予以说明。
- After analyzing diversified forecast models for the rate of penetration, the ROP forecast method with BP arithmetic theory of improved artificial nerve nets was taken to calculate the ROP during drilling. 在对各种钻速预测模式进行分析的基础上 ,提出利用改进后的人工神经网络BP算法理论完成对钻井过程中机械钻速的预测
- Integrated with case-based reasoning(CBR) and Adaptive Resonance Theory-Kohonen Neural Network(ART-KNN),a Cucumber Fusarium Wilt(CFW) intelligent forecast method was proposed in this paper. 结合基于案例推理(CBR)方法和ART-KNN网络,提出了一种黄瓜枯萎病(CFW)的集成智能预测方法。
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- This paper briefly introduced the basic conception of Marekove shift matrix forecast method and put forward the formation procedure and running method of Marekove chain forecast model with Language C. 简要介绍了马尔科夫转移矩阵预测法的基本概念,给出了用C语言构造的马尔科夫链预测模型程序及运行方法。
- Integrated with case-based reasoning (CBR) and Adaptive Resonance Theory-Kohonen Neural Network (ARTKNN), a Cucumber Fusarium Wilt (CFW) intelligent forecast method was proposed in this paper. 摘要结合基于案例推理(CBR)方法和ART-KNN网络，提出了一种黄瓜枯萎病(CFW)的集成智能预测方法。
- In the paper,the meteorological factors and weather situa tions related to aircraft icing are analyzed,and some forecast methods are pres ented. 文中分析了与飞机积冰有关的气象因子和天气形势,并提出了一些飞机积冰的预报方法。
- Using the systemic and comparative methods, this paper reviews the low flow runoff from natural and anthropogenic factors, its forecast methods. 采用系统和比较的方法对影响枯水径流的自然与人为因素、枯水径流的预测方法进行总结。
- We used grey forecast method to establish grey forecast model of Cu in water of Tongling section of Changjiang river on the basis of monitoring data of Cu in water in recent 5 years. 以近5年来长江铜陵段特征污染因子铜的监测数据为基础,采用灰色系统理论中的预测方法,建立了长江铜陵段水环境中金属铜的灰色预测模型。
