So they took the data they gathered from national censuses and surveys, and projected it forward based on what they knew about population growth in each country.
所以他们收集了来自国民人口统计和调查的数据，并根据他们对各个国家人口增长情况的了解做进一步的研究。
A method that measuring angular displacement error, identifying parameters of error model and compensating error automatically was put forward based on inductosyn angular measuring system.
针对感应同步器测角系统，提出了一种自动检测测角误差、辨识误差模型系数和补偿误差的方法。
Some datum, for example safety factor and allowable stress are put forward based on production practice.
提出的设计数据如安全系数、许用应力均根据生产实践的应用所确定。
To solve the problem in the product design automation, the generalized locating principle is put forward based on the six-point locating principle in fixture design.
为了解决产品设计自动化的问题，在分析用于夹具设计的六点定位原理的基础上，提出了广义定位原理。
At last, one mode of realization is put forward, based on characteristic of power system.
最后，结合了电力系统本身的特点，提出了一种实现的模式。
An elemental framework of safety discipline is put forward based on the analysis of relevant problems in the establishment of safety discipline system.
在对建构安全科学体系及其相关问题分析的基础上，提出了安全科学体系的基本框架。
The last is from microscopic, the strategy of management and operation is put forward based analysis of outer environment.
最后是从微观层面，即在外部环境分析的基础上，提出了应对环境变化的管理策略及经营策略。
Eight education Suggestions are put forward based on the study: 1 Recognize the complexity of motivation.
在此基础上提出了八点教育对策：1认识动机的综合性。
The plan of virtual PLC system is brought forward based on configuration software MCGS.
在组态软件MCGS的基础上，作者研究提出了虚拟PLC系统的方案。
The craft for separation and recovery of selenium and tellurium from high grade waste material has been put forward based on experiment results.
提出了从高品位硒、碲废料中分离回收硒和碲的工艺。
Modeling methods of SCADA have been put forward based on RTAP runtime environment of current technology conditions after the author masters the IEC61850 standards' kernel ideas.
就变电站监控模型部分，本文以IEC61850标准建模的核心思想为基础，根据现有的技术条件提出了在RTAP实时运行环境上建立变电站监控主站模型的方法。
Research works on evaluation of coal resources in middle exploitation stage have been conducted and the basic rules and thoughts have been brought forward. Based on these, No.
对处于开发中期阶段的煤炭资源评价进行研究，提出了建立开发中期煤炭资源综合评价体系的基本原则和思路。
Some proposals are put forward based on the consideration of all factors of animal type, wetland environmental characteristics, passageway surrounding environment and humankind activities.
在综合考虑动物类型、湿地环境特点、通道周围环境及人类活动等因素的基础上提出了相关建议。
A method for fault diagnosis to the circuit is brought forward based on qualitative simulation and function reasoning.
针对电路系统的特点，提出一种基于定性仿真和功能推理的故障诊断方法。
Some improvement measures are put forward based on locale experience.
笔者根据现场经验，提出几点改进措施。
The characteristics to dimension chain constraint is analysed, dimension loop model is put forward based on the dimension chain for solving dimension relationship constraints.
针对尺寸之间的关联约束，本文首先分析了尺寸链约束的特点，提出了基于尺寸链的尺寸环模型。
A continuous attribute discretization of the electric power distribution system is put forward based on the breakpoint importance, which is proved effectively.
提出了一种基于断点重要性的配电网连续属性离散化方法，证明了该方法的有效性。
The data model which is applicable to GIS of coalmine are put forward based on analysis of the characteristic of coalmine spatial information.
本文在分析煤矿空间信息特点的基础上，提出了实用于煤矿的地理信息系统数据模型。
Sewage treatment status, existing problems of sewage treatment plants building and operation in Liaoning province were analyzed, Suggestions were put forward based on the analysis.
分析了辽宁省污水处理现状、污水处理厂建设运行中存在的问题，并提出了加快城市污水处理厂建设的建议。
Meanwhile, an effective feed series for production was put forward based on the study.
同时经研究提出了几种在生产上行之有效的育苗饵料系列。
Auto disturbance rejection controller (ADRC) is put forward based on PID controller in order to overcome its own defects.
为了克服PID控制器自身具有的缺陷，在PID的基础上提出了自抗扰控制器(adrc)。
An improve plan to decrease the piston impact force is brought forward based on the analysis of factors influencing the piston impact force.
在活塞冲击力影响因素分析的基础上，提出了降低其活塞碰撞冲击力的改进方案。
An optimized cooling process of TRIP steel was put forward based on analysis of experimental data.
在分析实验数据的基础上，提出了TRIP钢轧后最佳冷却工艺。
An index model of soil erosion estimation was put forward based on raster data after analyzing the main influence factors in Weifenhe watershed.
在分析土壤侵蚀形成的主要影响因子基础上，提出了基于栅格数据的流域土壤侵蚀量估算的指标模型。
A new natural image algorithm was put forward based on alpha channel with a good result as well as a rapid speed.
在以前算法的基础上，提出了一种相对快速且效果也较好的基于透明度的景物提取算法。
Then a retraction less variable precision gap setting method was put forward based on the characteristic of plate gap setting.
基于此特性，提出中厚板电-液联合辊缝设定新方法?无回缩变精度快速辊缝设定法。
Then a retraction less variable precision gap setting method was put forward based on the characteristic of plate gap setting.
基于此特性，提出中厚板电-液联合辊缝设定新方法?无回缩变精度快速辊缝设定法。
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