灰色

According the feature of gray absolute correlation degree, an edge detection method based on ray absolute correlation degree and standard deviation of Image sub-block is given, and the threshold is adaptive in the method.

针对灰色绝对关联度计算模型的特点，提出一种基于灰色绝对关联度和图像子块标准差的边缘检测算法，实现遥感图像边缘灰提取过程中阈值的自适应调整。

Probability: Studies on the emerged accident probability of major hazard carrying the Markow process; Severity: By applying the grey system theory , on the base of the same kinds of accident-economy cost, establishes self-adapting GM (1,1) forecasting model and the model with the residual error being amended in a bid to calculate accident-economy cost; Safety management: Establishes the dynamic comprehensive analytical method on major hazard and safety management of the major hazard by applying the grey system theory and fuzzy math theory.

其次，针对重大危险源原有的二维评价方法所存在的局限性，建立了以可能性、严重性、安全管理水平为三维矢量的评价方法，并对这三个矢量进行了定量计算：可能性：运用马尔可夫过程计算了重大危险源发生事故的概率；严重性：运用灰色系统理论，根据已有的同类事故经济损失的统计资料，建立自适应性GM(1，1)模型及残差修正的模型，预测重大危险源发生事故的经济损失；安全管理水平：运用模糊数学理论和灰色系统理论，建立了重大危险源安全管理水平动态综合分析法。

In order to evaluate the core competence of suppliers properly, a new analytic index system is put forward, and a judging method of grey correlation model is given.

提出了供应商竞争力的分析指标体系，构建了一个基于灰色系统理论的灰色关联模型。

But the building safety incidents' reasons are complex, the qualitative analysis is easy, the quantitative analysis is difficult, the common forecast model is tendency analytic method, return analytic method, index smoothing procedures and so on.

论文《灰色理论及神经网络在建筑伤亡事故预测中的应用研究》以1994-2007年全国建筑业死亡人数为基础数据，建立了灰色预测模型和BP神经网络预测模型，对2008的建筑业死亡人数进行预测。

The conception of gray general situation decision system is proposed, and its definition and a systematizing mathematical model are given, which provide a theoretical basis for development of gray decision theory.

运用一般系统理论，对灰色局势决策的共性进行了分析，提出了灰色一般局势决策系统的概念，给出了其定义和系统化的数学模型，为灰色决策理论的发展提供了理论基础。

Based on [1] and [2], a new approach to the stability of those systems whose state matrices are grey and symmetric, grey triangular and grey comb-shaped is presented. White mapping and relevant theore are also discussed.

在文献[1]、[2]的基础上，重新论述了状态矩阵为灰色实对称、灰色三角和灰色梳形系统的稳定问题；并以位移算子为基础，论述了白色映射及有关定理。

With the full and accurate data, the fourth part had forecasted the development tendency of Nanjing residential real estate market from three aspects of supply, demand and price. On the basis of gray relational analysis method, it demonstrated the main factors affect the commodity housing demand. The paper applied the GM(1, 1) model to establish the gray forecast model of Nanjing commodity housing sales. Finally, based on regression analysis, the result indicates that the housing price was not caused by supply and demand.

第四部分通过大量详实的数据，从南京市住宅市场的供给、需求及价格三方面，预测了南京市未来住宅商品房的供给量，并运用指数增长模型分析了南京市未来住宅房地产开发投资和销售面积的波动趋势；运用灰色关联度实证了显著影响南京市住宅商品房需求的因素，同时，借助灰色预测方法，建立灰色预测模型预测了未来几年南京市住宅商品房销售面积；最后运用回归分析方法实证了南京市住宅商品房价格增长过快并非完全受供求关系影响，同时将定量和定性分析相结合预测了南京市住宅商品房价格的发展趋势。

The dolomites here are of yellowish-grey, brownish-grey and bluish-grey colours with a fine grained structure.

因为这里的白云石呈淡黄灰色，棕灰色和蓝灰色的颜色。

According to the aspect of collections of the history data, towards the collection or searching instance of the similar typical construction relevant to the pre-estimate construction, the prediction mode can be established in separate way against the ration valuation mode. The prediction-mode formed with fuzzy can be used to issue the cost of pre-construction based on adjoined degree of the typical construction and the proposed-construction. This adjoin degree is established in the engineering characterization list of elements which is established beforehand. With reference to

对于以定额计价模式为主的报价资料预测拟建工程造价的，可采用以模糊数学建立的预测模型，以事先建立的工程特征元素表确定典型工程与拟建工程之间的贴近度，利用预测模型对拟建工程进行报价；对于以工程量清单为主的报价资料拟建工程造价的，可采用以灰色理论为基础的数学工具，以灰色关联度确定工程间贴近程度，结合模糊数学建立的预测模型并利用灰色理论建立相关的预测模型对拟建工程进行报价。

Finished in general there are four colors: white, golden yellow, light gray and gray, in some of the old British colonies, such as West Africa and the Caribbean, white is very popular in the United Kingdom, the most popular yellow and gray.

成品一般有四个颜色：白色、金黄色、浅灰色和灰色，在一些英国的老殖民地，如西非和加勒比海地区，白色非常流行，而在英国本土，金黄色和灰色最为流行。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。