demographic trend

用法例句

The paper began with ComGIS technology,then introduces population statistic target and GIS model establishment,and discusses the method and process of constructing the population statistic geographic information system.

文章从GIS组件技术角度出发,介绍了人口统计指标和GIS模型的建立,探讨了构建人口统计地理信息系统方法与过程,实现了人口地理信息与人口属性信息的功能集成。

vital statistics ( statistics relating to population figures or births,marriages and deaths)

人口动态统计（人口数字或出生、婚姻、死亡的统计）.

The study of the characteristics of human populations, such as size, growth, density, distribution, and vital statistics.

人口统计学对人口特征，例如数量、增长情况、密度、分布和人口动态统计等进行研究的学科

Working Group on the Development of Civil Registration Systems and Vital Statistics Collection in Africa

非洲发展民事登记制度和人口动态统计收集工作

SPATIAL PATTERNS OF POPULATION IN SHANGHAI BASED ON SPATIAL-STATISTICS

上海市人口分布格局动态变化的空间统计研究

Latin American Workshop on Strategies for Accelerating the Improvement of Civil Registration and Vital Statistics Systems

拉丁美洲加速改善民事登记和动态人口统计制度战略讲习班

used of distributions, as of statistical or natural populations.

用来指分布状态，例如统计人口或者自然人口。

A Statistical Study on the Population Migration and Transient Population in Recent Time in China;

新时期人口流动和流动人口的统计学研究

The Dynamic Change of the System of Population Cultivated Land and Grain in Xi'an City

西安市人口—耕地—粮食系统的动态变化

Statistical Forecast and Analysis of Size of Floating Population in Jiangxi Province;

江西流动人口规模的统计预测与分析

Regional Documentation Centre on Human Reproduction, Family Planning and Population Dynamics

人类生殖、计划生育和人口动态学区域文件中

THE DESIGN OF THE LARGE CALIBRE GUN MEASURING SYSTEM FOR THE MOTION STATUS OF THE PROJECTILE IN BORE

大口径火炮弹丸膛内运动姿态测试系统设计

Dynamic Password Identification and Application;

动态口令身份认证系统研究及应用方案设计

The experience level of people performing an activity tends, like most population distributions, to follow the classic statistical bell curve (see Figure 3-1).

像大多数人口分布一样，进行某种活动时的经验的人数分布遵循着经典的正态分布统计曲线。

The Impact of Statistical Scope Adjustment on the Census Population of Cities and Towns and the Relevant Revision;

统计口径变动对人口普查城镇人口数量的影响及修正

Design of Dynamic Test,Simulation and Training System for UAV

无人机动态测试、仿真与训练系统设计

Research on Gray Dynamic Model with Equal Dimension in the Urban Population System;

城市人口系统等维灰数递补动态模型探讨

The research of dynamo simulate about regional economic and social population system;

区域人口社会经济系统动态仿真模型研究

On the XieTong Management Information System of Folating Population s Fmaily Planning in China;

我国流动人口计划生育协同管理信息系统研究