吹牛者
发表于 2025-3-26 21:26:41
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反对
发表于 2025-3-27 02:28:31
Models of Maternity Histories and Age-Specific Birth Rates,hs. Consequently, along with the study of mortality discussed in the previous two chapters, the study of fertility, the factors and circumstances underlying the flow of births into a population, has long been of central interest to students of population. In countries in which births are registered
纵欲
发表于 2025-3-27 06:46:00
A Computer Software Design Implementing Models of Maternity Histories,n discrete time with stationary transition densities, an extended model of maternity histories, based on this theory, is developed. This model is an extension of those in chapter four to the extent that birth intervals, following marriage, are decomposed into certain subsegments of maternity histori
极深
发表于 2025-3-27 12:15:10
Age-Dependent Models of Maternity Histories Based on Data Analyses, in Chap. 5 would be that its underlying mathematical models need to be tested further in the analysis of data. Accordingly, the purpose of this chapter is to give an account of some research directed toward providing firm links between data analyses and the construction and implementation of comput
MOAN
发表于 2025-3-27 14:34:17
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Enervate
发表于 2025-3-27 21:51:42
Book 1985this total, an estimated 82 million had been added in the previous year. World population in 1950 was estimated at about 2. 5 billion; consequently, if 82 million poeple are added to the world population in each of the coming four years, population size will be double that of 1950. Another way of vi
缩影
发表于 2025-3-28 01:43:07
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CHIDE
发表于 2025-3-28 02:45:22
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