对待 发表于 2025-3-27 00:47:47
deaths for this time period. Such an epidemic would be on the order of twice the case-fatality rate and quadruple the incidence observed in a general medical practice during the winter of 1953. These results underscore the need for diligence regarding extremely high air pollution that still exists放纵 发表于 2025-3-27 03:55:33
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http://reply.papertrans.cn/92/9127/912628/912628_34.pngFeigned 发表于 2025-3-27 17:14:47
https://doi.org/10.1007/978-3-322-93207-5ess depend on their rates of growth or decay. These in turn depend on present, or past, values of these same variables through simple linear or power relationships. These are the ingredients of a differential equation. We discuss linear and power laws between variables and their derivatives in Section 2.1 and differential equations in Section 2.4.亲密 发表于 2025-3-27 20:26:31
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