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Secondly, the use of demographic analysis modeling to predict the next decade, demographic changes, including population size, number of households, family size and family type.
其次,运用人口统计分析技术建立模型,预测未来十年的人口结构变化,包括人口规模、家庭户数、家庭规模和家庭类型。
We conclude that the knowledge of the biology, population equilibrium state, geographic distribution, and biogeographic history of the invasive species is crucial prior to niche modeling.
在构建模型之前, 需要充分了解入侵物种的生物学特性、种群平衡状态、本土地理分布范围及物种的生物历史地理等方面的知识。
We found that the gravity model improved the modeling method for the future mortality of our country, and provided a more accurate forecast for the future mortality rate of China's population.
研究发现,引力模型改进了我国人口未来死亡率建模的方法,提供了更准确的预测。
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