At the same time is not difficult to find that rural labor return is not simply a population regression, in which cycle the labor is considered themselves hierarchical.
同时在研究中我们也不难发现，农村劳动力的回流并不是简单的人口回归，在这一个循环过程中劳动力被自认分层。
This paper studies the urban population growth style in about 40 cities of Jiangsu province, based on the regression and Lorenz curves.
本文以江苏省40个城市为研究对象，通过回归分析方法、绘制人口洛伦兹曲线实证研究了江苏省城市人口增长的方式。
A kind of nonlinear regression estimator for limited Population is given and the quality and the sampling variance about is discussed.
对有限总体在不放回抽样的方法下，构造了一类非线性回归估计量，讨论了它的性质及其有关抽样误差．。
The influence of limiting factors in a population of intercropped corn and soybean upon object characters such as yield was studied with quadratic regression rotational combinatorial design.
本文分析了利用二次回归旋转组合设计，研究玉米大豆间作群体各限制因素对产量等目标性状的影响。
The estimation of adjusted population attributable risk is 5.31% based on the multivariable logishc regression model analysis.
在该多变量回归模型的基础上估计的调整人群归因风险度为5．31％。
Then regression of mathematical models is used to study the distribution of population and the evolution of spatial structure of Beijing Metropolitan Area.
继而，通过数学模型的回归研究北京都市区人口分布及空间结构的演化趋势。
In this paper, on the basis of structural regression models the estimation of the population-averaged treatment effects is given when the response variable is a multi-dimensional vector.
在可交换条件下，当响应变量为多维时，利用结构回归模型研究总体平均处理效应的估计。
The regression equations of the rates of hatching, larvae survival, emergence, the egg number laid by a female and population trend indices against temperatures were analyzed.
测定了不同温度下莲雾毒蛾各虫态的存活状况，并就卵孵化率、幼虫存活率、蛹羽化率、产卵量和种群趋势指数等指标与温度的关系进行相关性分析。
And we forecast the vehicle population from 2007 to 2017 by use of multi-linear regression model.
并应用多元线性回归模型预测了2007年到2017年的汽车保有量。
And we forecast the vehicle population from 2007 to 2017 by use of multi-linear regression model.
并应用多元线性回归模型预测了2007年到2017年的汽车保有量。
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