It studies these populations in the past, present and future using quantitative data and mathematical models as tools of analysis.
它使用定量数据和数学模型作为分析工具，研究这些人口在过去、现在和未来的情况。
It studies these populations, in the past, present and future, using quantitative data and mathematical models as tools of analysis.
它使用定量数据和数学模型作为分析工具，研究这些物体在过去、现在和未来的数量。
The result will offer reference data for design of involute gear and optimization of parameter choice, and offer new mathematical model for numerical analysis of root stress.
其计算结果将为渐开线齿轮设计、参数优化选择等提供参考数据，同时为齿根应力数值分析提供了新的数学模型。
By using multivariate linear regression analysis, the mathematical model to classify and evaluate reservoir with well logging data was established.
通过多元线性回归分析，建立了用多种测井信息划分、评价储层的数学模型。
In order to improve the quality of financial projections, regression analysis is an effective way to use mathematical statistics related to the principles of data results more convincing.
为了改进财务预测的质量，回归分析则不失为一种有效的方法，利用数理统计的相关原理使数据预测结果更具有说服力。
Based on literature data, the survey. Method, mathematical statistics, logical analysis as the main research methods.
本文以文献资料法、调查法、数理统计法、逻辑分析法为主要的研究方法。
Based on qualitative analysis, the observational data of compression stress metre in a concrete dam have been analyzed quantitatively in this paper by mathematical mode.
在定性分析的基础上，通过建立数学模型，对某混凝土坝压应力计观测资料进行了定量分析。
In this paper, the data of body temperature from experiment is studied by using the methods of hypothesis test and time series analysis, then the mathematical basis of identifying the nature is found.
本文由试验得到的体温数据，分别用假设检验和时间序列分析方法，找到辨别寒热性的数学依据。
In the methods of normalization consideration must be given to logic analysis, mathematical statistics and data digging.
规范方法应兼顾逻辑分析、数理统计和数据挖掘等。
This paper briefly introduces the mathematical processing of ARM used in power spectral analysis of discrete time-histories data and confirms the usalitity of ARM in earthquake engineering.
本文扼要叙述了用于离散时程数据的功率谱分析的自相关回归法（ARM）的数学过程。
According to the thermal experiment data and correction curve of heat supply units, the mathematical analysis formula of thermodynamic characteristic has been given accurately in this paper.
以供热机组热力试验数据及修正曲线为依据，较准确地建立了表达供热式汽轮机机组热力特性的数学解析式。
Statistical analysis was carried out for the sample data measured by a speedometer test bed, and corresponding mathematical models were established.
对车速表试验台检测所获得的样本数据进行统计分析，建立相应的数学模型，模型计算与样本实测数据计算结果高度吻合。
A static mathematical model of humidity sensing element is obtained using least square regression analysis, through regression of measured data into polynomial expression.
本文采用最小二乘法回归分析，将湿敏元件的测试数据回归成多项式，获得元件的静态数学模型。
The theory and methods of mathematical statistics were used to optimal estimation, testing and analysis on data of radar accuracy testing. The problem of decision making and testing were solved.
运用数理统计的理论、观点和方法对制导雷达精度检验中的数据进行了最优估计、检验和分析，解决了雷达精度的检验、判定和决策问题。
This data bank stores the references of articles from the expanding field of mathematical and computer analysis of biomolecular sequences.
此数据库收录的参考文章来自生物大分子序列的数学和计算机分析这一扩展中的领域。
These data have provided a basis for the process analysis and mathematical simulation of inverse turbulent bed reactor.
研究结果可为后续逆流湍动床废水生物处理过程分析与模拟提供传质基础数据。
Three mathematical description formulas of FCGR were obtained by data analysis and linear fit or nonlinear.
通过数据分析和线性或非线性拟合得到了3种疲劳裂纹扩展速率的数学描述公式。
In addition, statistical and deterministic mathematical models are used for back analysis of equivalent temperature linear expansion coefficient based on the prototype monitoring data.
此外，基于原型观测资料，利用统计模型和确定性模型对碾压混凝土的等效温度线膨胀系数进行了反演分析。
Rough Set Theory is a new mathematical approach to uncertain and vague data analysis. It is, no doubt, one of the most challenging areas of modern computer applications.
作为处理不确定和含糊问题的新的数学方法，粗糙集理论对于现代计算机应用，无疑是最具挑战性的领域之一。
Since the wide use of computers in the late 1950s, geologists have been increasingly attracted to mathematical methods of data analysis.
自从二十世纪五十年代后期广泛地应用计算机以来，地质学家们越来越喜爱用数学方法分析资料。
The literature, questionnaire and methods of mathematical statistics were used in the paper and the conclusions were obtained through statistical analysis of the quantitative data.
运用文献资料法、问卷调查法、数理统计等方法，通过定量数据统计分析得出结论。
We apply the new mathematical subject, Data Ware House and SSDSS to it, and put forward the Internet Economical Information Analysis and Decision Support System (IEIA-DSS).
在搜索与访问国内主要经济信息网站的基础上，对我国近十几年来经济信息网站的开发与维护的状况、所取得的成就做了分析。
Parameters of mathematical models have been obtained by the regression analysis on the experimental data.
由实验数据回归出模型中的各个参数。
Then based on the survey data, service Performance Evaluation Model and Performance Predicting Model are constructed separately making use of mathematical programming and Markov analysis.
在上述研究的基础上，建立了高速公路沥青路面的养护决策模型。
Then based on the survey data, service Performance Evaluation Model and Performance Predicting Model are constructed separately making use of mathematical programming and Markov analysis.
在上述研究的基础上，建立了高速公路沥青路面的养护决策模型。
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