碌碌之人 发表于 2025-3-28 14:45:21

aging is one of the most important trends of the 20.th. and 21.st. centuries, and it is occurring worldwide, especially in more developed countries such as the United States. Population aging is more rapid in rural than urban areas of the U.S. In 2010, 15 percent of the nonmetropolitan compared to 1

预测 发表于 2025-3-28 18:44:23

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conspicuous 发表于 2025-3-29 02:52:55

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MILL 发表于 2025-3-29 04:33:57

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Fortuitous 发表于 2025-3-29 08:57:26

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马具 发表于 2025-3-29 14:10:36

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礼节 发表于 2025-3-29 18:40:44

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混杂人 发表于 2025-3-29 21:29:45

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ANTE 发表于 2025-3-30 02:51:21

Sydney Ferreira Santos,Flavio Ryoichi Nikkuni,Edson Antonio Ticianellialyze the rural areas of the planet in the context of Earth sciences. The handbook is so original in its plan that it actually de?nes what modern rural science is. The scheme followed, albeit new, is rooted in a venerable geographical tradition and presents a sensible balance between the academic an
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查看完整版本: Titlebook: Nanoenergy; Nanotechnology Appli Flavio L Souza,Edson R Leite Book 2018Latest edition Springer International Publishing AG 2018 biofuel cel