闲荡
发表于 2025-3-25 05:38:47
Book 1985l be added to the population each year for the foreseeable future. A large current world population together with a high likelihood of sub stantial increments in size every year has prompted public and scholarly recognition of population as a practical problem. Tangible evidence in the public domai
招待
发表于 2025-3-25 08:52:05
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conscribe
发表于 2025-3-25 15:28:19
0067-8821 eople; of this 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
美色花钱
发表于 2025-3-25 15:54:53
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迫击炮
发表于 2025-3-25 21:36:11
Age-Dependent Models of Maternity Histories Based on Data Analyses,er is to give an account of some research directed toward providing firm links between data analyses and the construction and implementation of computer simulation models. Problems arising in evaluating and measuring the impact of family planning programs on fertility provided the substantive motivation for the research reported in this chapter.
哀悼
发表于 2025-3-26 03:29:14
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explicit
发表于 2025-3-26 04:22:26
A Computer Software Design Implementing Models of Maternity Histories,es. These subsegments include: waiting times to pregnancies; the possibilities that a pregnancy ends in a live birth, induced abortion, or a spontaneous abortion; and temperary sterile periods following each type of pregnancy outcome.
ascend
发表于 2025-3-26 11:51:40
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Abutment
发表于 2025-3-26 13:14:53
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accordance
发表于 2025-3-26 20:05:46
Human Survivorship,ttention will be focused on the study of survival following a live birth. Although mortality is a commonly used heading for such a study, the term human survivorship will be used extensively, since survival of and by itself is a basic aspect of population dynamics.