mean of population meaning in English
人口平均值
总体平均数
Examples
- Nonparametric estimator for mean of population
总体均值的非参数估计 - Mean of population
总体均数 - Firstly , the article introduced the important meaning of population and family planning works , target and working object , introduced present situations and main problems of ying kou city family planning mis . and has analyzed the reasons
本文首先说明了人口与计划生育工作的重要意义,明确了人口与计划生育管理系统的任务目标及主要工作对象,探讨了目前营口市人口与计划生育管理信息系统的现状及存在的主要问题,并进行了原因分析。 - This thesis is focused on the following flve topics . first , comparative analysis of binary encoding and float encoding is made , the advantage and disadvantages of two encoding modes and their influence on genetic operators are clarified , thus the basis for reasonable description of the problems is provided . secondly , as genetic operators have an important influence on performance of algorithms , this thesis demonstrates that the simulated binary crossover can keep the mean of population unchanged , and under some conditions
作者在论文期间的工作主要集中在以下几个方面:对遗传算法中的二进制编码和浮点数编码进行对比分析,阐明两种编码方法的优缺点和对遗传操作算子的影响,为合理地描述待解决的问题提供一定的依据;遗传操作算子对算法的性能有重大的影响,文中对模拟二进制交叉算子对群体的分布影响进行了分析论证,得出模拟二进制交叉能保持群体的均值,并在满足一定条件下使群体方差变大的结论;如何保持群体的多样性,一直是进化算法研究的主要内容。