Objective To explore the application of the trend-surface model on geographical distribution of contagious diseases.
目的应用趋势面模型分析传染性疾病的地理分布趋势。
Methods:The diabetes mortality of different regions in Shandong Province in2000was investigated based on the methods of the trend-surface analysis.
方法：应用趋势面模型探讨山东省2000年各疾病监测点糖尿病的死亡率空间分布趋势。
The regional variations of the perinatal mortality and the incidence rate of low birth weight infant in China were studied with trend-surface analysis.
应用趋势面分析法，对我国省、市和自治区围产儿死亡率和足月低体重儿发生率进行地理流行病学研究。
Methods:The geographical distribution of infertilities of different regions in Chongqing city was investigated based on the methods of the trend-surface analysis.
方法：应用趋势面模型探讨重庆市各区县育龄妇女不孕率的空间分布趋势。
Results there is multi-collinearity bias in the result of the least square estimation trend-surface model, use the method of ridge regression can control the multi-collinearity bias.
结果趋势面分析往往存在共线性偏倚，利用岭回归趋势面分析可以在一定程度上控制共线性偏倚。
The first, and most basic, is the continuation of the warming trend at the Earth's surface that has been happening since the early 20th century.
首先，也是最基本，就是自20世纪初开始，地球表面就持续变暖。
However, the paper - Current GISS Global Surface Temperature Analysis - says the overall warming trend has held through this decade.
然而，该文件-当前的GISS全球表面温度分析-报告说总体变暖的趋势在这10年依然如故。
Objective This paper explores an application of trend surface analysis and residual analysis in geographical distribution of the mortality rate.
目的探讨趋势面分析法和残差分析法在研究死亡水平地域性分布特点中的应用。
Objective to explore applicability of tri dimensional auto regression trend surface model in studying the space time dynamic of disease.
目的探讨三维自回归趋势面模型技术在疾病时空动态分析预测中的应用价值。
Methods To establish trend surface analysis (TSA) model of goiter rate of children aged 8 to 10 years by using the data on IDD evaluation in 2000 and regionalistic map of Sichuan province in 1999.
方法应用2000年四川省碘缺乏病评估资料和1999年四川省行政区划电子地图，建立四川省8～10岁儿童甲状腺肿大率趋势面分析模型。
Therefore, the equations of trend surface are not suitable for the tool of calculation.
所以趋势面方程不宜作为精确计算的工具。
The error of mathematical model is mostly resulted from near properties of the equations of trend surface.
数学模型误差——主要由趋势面方程的逼近特性所引起。
Comparing the results of the welding residual stresses at outer surface of beryllium ring by FEM to that from X ray stress measurement, the stress trend is identical.
对铍环外表面钎缝附近焊接残余应力进行X射线应力测试，并与有限元分析结果对比，二者应力变化趋势基本一致。
The surface treatment by plasma is a developing trend of surface engineering in the future.
等离子体表面处理是今后表面工程的一个发展趋势。
With the requisition for electronic product of the environmental protection field, OSP will become the trend of surface coating of PCB.
随着环保领域对电子产品的要求，OSP将成为PCB表面涂覆的趋势。
So, instead of'intermediate layer correction', we should adopt free air gravity anomaly and'topographic trend surface correction', which result in topographic trend surface free air gravity anomaly.
为此，应当不做“中间层校正”，而应代之采用自由空气重力异常加上“地形趋势面校正”之结果，以形成地形趋势面自由空气重力异常。
The theory and characteristics of the process of electrospark surface strengthening are introduced. The researching status and the development trend in this field are described.
介绍了电火花表面强化的原理与特点，概述了电火花表面强化技术的研究现状，指出了电火花表面强化技术的发展趋势。
With the introduction and comparison of methods of analysing geology trend surface, the method of neural network is presented to analyse geology trend surface.
本文通过地质趋势面分析不同种方法的介绍和对比，提出采用两种人工神经网络模型相结合的方式对地质趋势面进行分析。
Results the tri dimensional auto regression trend surface model and the method to build this model were obtained.
结果获得三维自回归趋势面模型及其建模方法。
General spatial analytical method include geostatistics, spatial autocorrelation, fractal dimension, trend surface analysis, scale variance analysis.
常用的空间分析方法有地统计学、空间自相关分析、分维数分析、趋势面分析、尺度方差分析等。
The results showed that under certain condition, the trend of the properties of Kaolin Clays, such as surface area, pore volume, pore size distribution and cracking activity etc.
在不同的温度、时间、酸浓度等条件下，用不同的无机酸对高岭土进行改性处理，考察其改性后的比表面、孔容、孔径分布及裂化活性的变化。
The status and development trend of surface treatments, such as nitriding, vapor deposition, plasma modification and multiplex surface treatment technology used for cutting tools were described.
介绍了渗氮、超低温处理、气相沉积、等离子改性以及复合表面处理技术等在切削刀具中的应用现状和发展趋势。
Jianqiao has become the professional example in painting industry of China, leading the trend of surface treatment technology in machine manufacturing industry.
剑桥已成为中国涂装行业的专业典范，引领着机械制造行业表面处理技术的趋势潮流。
Linear models mainly include the factor analysis model and the trend surface model. And nonlinear models include BP neural network model.
其线性模型主要为因子分析模型和趋势面分析模型，非线性模型为BP神经网络模型。
The regional geological data and the gravity trend surface analysis technique were used to investigate the structural variation in the northern Jiyang Depression.
利用连续变化的趋势面分析技术及区域地质资料研究了济阳北部地区的构造变化规律。
The present situation and future trend about degreasing, surface conditioning, phosphorizing, passivating in car pretreatment are outlined in this paper.
本文将就轿车预处理工艺中应用的脱脂、表调、磷化、钝化等材料的最新情况和未来发展趋势进行概述。
Results 3rd steps trend surface analysis can fit properly.
结果三阶趋势面拟合优度为最佳。
Conclutions the incorporated application of trend surface analysis and residual analysis could analyze the geographical characteristic of mortality rate level across-the-board.
结论趋势面分析法和残差分析法相结合可以全面地分析各地区死亡水平的分布特征。
Regions consist of equal region and nub region and equal region can be divided with the methods of Taisen triangle, trend surface, clustering and so on;
均质区域可用泰森三角形、趋势面、聚类分析等方法进行区划；
Regions consist of equal region and nub region and equal region can be divided with the methods of Taisen triangle, trend surface, clustering and so on;
均质区域可用泰森三角形、趋势面、聚类分析等方法进行区划；
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