The grey system model is efficient for long-term port throughput forecasting.
灰色系统预测模型是一种进行港口吞吐量预测的有效方法。
At last, a grey system model is used to show the relevancy between lottery industry and macro-economy.
最后，使用灰色系统模型对彩票业与宏观经济的关系作了关联分析。
It was showed that the grey system model may be used as a new tool in environmental scientific research.
研究表明，灰色系统模型在环境科学研究中可以作为一种新的认识方法。
Then the after test rule verifies that grey system model has quite a good effect on the library loan prediction.
根据灰色系统模型的后验差检验准则，检验其是否适用于预测借阅量，检验结果表明模型的应用效果良好。
The basic principle and method of grey system model and its application in thermal error modeling on machine tools had been presented briefly.
提出了采用灰色系统模型进行机床热误差建模的基本原理及方法，以及其在机床热误差补偿建模中的应用。
Using improved euler method to solve the grey system model was simple and rapid. The predicted value accorded basically with the surveying value.
采用改进的欧拉算法求解灰色系统模型简单快捷，预测结果与实测值基本符合。
Investigates a method of time series model with grey system model. Rules in time series can be found by GM (1, 1) model and the trend of the time series can be forecasted.
研究了利用GM(1,1)模型发现时间序列模式的方法，用GM(1,1)模型可以从时间序列中寻找变化规律，预测将来的发展趋势。
According to Grey Forecasting theory, this paper presents two sets of Grey System Model which can be applied to forecast heating load — GM (1, 1) and Grey Correction Model.
本文根据灰色预测理论，提出了两种适用于供热负荷预测的灰色系统方法——GM(1,1)法和灰色校正模型法。
GM (1, 1) model of Grey System Theory is used in prediction realm.
在预测领域，灰色系统理论使用的是GM(1,1)模型。
This paper inserts grey system, makes use of finite time series, follows GM (1, 1) building method, builds the long term prediction model of total waste -water in Heilongjiang Province.
本文引入灰色系统理论，利用有限的时间序列，按照GM(1,1)建模方法，建立起黑龙江省污水总量长期预测模型。
In this paper, a Daqing area epidemic encephalitis diseases forecasting model making use of grey system theory proposed by professor Deng Julong and method of weight function was built.
本文利用邓聚龙教授提出的灰色系统理论，采用权函数生成法，建立了大庆地区流脑疾病的预测模型。
A grey prediction model GM (1, 1) using grey system theory was created to predict the traffic conflicts. Its feasibility was tested by some related tests.
本文将灰色系统理论应用于交通冲突数的预测，建立了交通冲突数的GM(1,1)预测模型，并通过相关检验验证了该方法的可行性。
There are some problems in modelling karst water circulation using hydrological model as lack of information of groundwater distribution in karst system (black box or grey box).
由于岩溶地下水分布难以量测，岩溶水文系统多为黑箱或灰箱，采用岩溶水文模型量化其水循环过程常存在许多疑难问题。
Elements which influence the urban traffic air, we design a index system and construct the grey decision model to assess the Quality of the air.
分析城市交通环境空气影响因素，设计一套评价指标体系，并建立了环境大气质量评价的灰色决策模型。
The grey element value of cost index would be figured out by way of establishing cost index′s presumption model that is a grey system.
通过建立造价指数的灰色系统预测模型可以算出未来造价指数的灰元值和进行短期、中期和长期的预测。
In this paper, we expound the existence of grey factors influence beyond man control system, present grey factors input output theory and model involving grey factors.
阐述了一般经济系统外灰要素影响的存在性，提出了包括灰要素影响量在内的灰色投入产出理论与模型。
Based on the Grey system, Grey clustering model of compositive evaluation for computer software quality is put forward, and it provides scientific basis for the quantitative evaluation result.
根据灰色系统理论，建立了计算机软件质量综合评价的灰色聚类模型，为定量确评价软件质量提供了有效的方法。
Grey box model identification for railway cars system is simulated and tested in laboratory by grey box software tools, it is proved that the scheme is feasible and valid.
应用灰箱辨识软件对车辆系统的灰箱模型辨识进行了仿真研究和实验室试验验证，证明了所提出方案是可行和有效的。
Based on grey system theory, a weighted grey correlation model is built, the composite efficiency of mechanical equipments is evaluated to supply a reference for equipment optimization.
以灰色系统理论为基础，建立加权灰关联分析模型，对机械设备进行综合效益评价，为设备选优提供决策依据。
The GM(1, 1) model of grey system theory is introduced into the service forecasting of the civil telephone network programming. Compared with other forecasting models, the result obtained is better.
将灰色系统理论的GM（1，1）模型引入到市话网规划中的业务预测部分，并用GM（1，1）模型同其他预测模型做了比较，取得较好结果。
Grey system Theory, used as fabric hand evaluation system, constructing premium composite grey element model and obtaining the solution of premium degree can be used to evaluate the fabric hand.
对于织物风格评价这一灰色系统的评价问题，可以构造近优复合灰元模型，靠求解近优度的方法来评价织物。
The structure method of background value in grey system GM(1,1) model is considered to have an important influence on the adaptability and precision of GM(1,1) model.
灰色GM（1，1）模型中的背景值构造法是影响模型适应性和精度的关键因素。
Based on the grey system theory, a grey assessment model of groundwater quality is built by combining the method of grey relational grade analysis and the method of single factor contaminant index.
以灰色系统理论为基础，把灰色关联度分析方法和单因子污染指数法相结合，构造了一种适合于评价地下水质量的灰色模型。
According to the theory of grey system, the different time steps model of GM (1 1) in the pile foundation engineering is established, and a testing method of this model is provided.
根据灰色系统理论，首次建立了时间非等步长的桩基工程GM(1 1)模型，提出了时间非等步长的桩基工程GM(1 1)模型的检验方法。
A grey relation projection model for regional eco-environmental quality evaluation is established based on grey system theory and vector projection principle.
基于灰色系统理论和矢量投影原理，建立了区域生态环境评价的灰色关联投影模型。
Based on analysis of the characteristics of equipment operation, and according to the vibration intensity, a grey prediction model is established by use of grey system theory.
分析了设备运行状态的特征，运用灰色系统理论对设备状态特征量——振动烈度，建立了灰色预测模型。
Based on analysis of the characteristics of equipment operation, and according to the vibration intensity, a grey prediction model is established by use of grey system theory.
分析了设备运行状态的特征，运用灰色系统理论对设备状态特征量——振动烈度，建立了灰色预测模型。
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