加入 发表于 2025-3-26 23:14:44
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Farhat Yusuf,Jo. M. Martins,David A. Swanson Physics. Nishi nomiya City wishes to extend a warm and sincere welcome to the many participants here in this Symposium. Nishinomiya is the city where Dr. Hideki Yukawa (1907-1981) was living when he published the famous paper "On the Interactions of Elementary Particles. I" in 1935. For this workgraphy 发表于 2025-3-27 09:29:23
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Introduction,pter discusses the progression from ancient to modern demographic concepts and how the understanding of the subject has changed over time. It deals with the development of various tools to collect, analyse and interpret population data in different epochs and cultures. It discusses worldwide efforts吹牛者 发表于 2025-3-27 19:53:49
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Elements of Demographic Analysis,laborate the concepts of demographic stocks and flows. Methods of estimating population growth rates are given and interpolation and extrapolation are discussed. Examples of the application of these methods are given. Different types of crude rates are defined such as the crude birth, death and migrHarness 发表于 2025-3-28 08:55:37
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