population variance [数] 总体方差 ; 总方差 ; 总偏差 ; 母体变异数
estimation of population variance 总体方差的估计
Grand population variance 大母体的变异数
Common population variance 共同变异数
Population variance and Standard deviation 总体方差和标准差
estimation for population variance 总体方差的估计
normal population variance 正态总体方差
unbiased estimate of population variance 总体变异无偏估计 ; 总体方差无偏估计
estimation population variance 总体比例的估计
Variance analyses indicate the cluster intensity of this population is significant difference between the upper and lower crowns of citrus trees.
方差分析表明该种群的聚集强度在树冠的上、下部间差异显著。
It is of significance in practice to analysis the variance law and trend of Wenzhou population structure and understand the severe situation that the social security system environment.
认真分析温州人口结构变化的规律与趋势，深刻认识社会保障制度所面临的严峻形势，对于加快完善温州社会保障制度具有重大的现实意义。
The first chapter has discussed alteration of geographical environment, variance of population, transformation of structure of districts, evolvement of city form in Macau from historic point of view.
第一章从历史的角度论述了澳门地理环境的变迁、人口规模的变动、区域结构的演化、城市形态的演化等。
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