PIZZA 发表于 2025-3-23 13:19:11
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https://doi.org/10.1007/978-0-85729-522-4Control Applications; Control Engineering; Dynamic Systems; Parameter Estimation; Parameter Estimation TFAWN 发表于 2025-3-23 21:49:33
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Ozone and UV-B Responses of Trees and the Question of Forest Sustainabilityf plant defence systems. Ozone effects usually are cumulative and affect in particular deciduous trees such as beech and birch. Current concepts of forest succession, climax tree species and timber production are thereby made questionable.苦恼 发表于 2025-3-24 04:06:17
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orld’s total population. The countries are very diverse in population size, ethnicity, religions, languages and political institutions. Most countries in that region are quite advanced in their demographic transition but still experience population momentum because of their young age structure. The自传 发表于 2025-3-24 14:59:25
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María Alcantud Díaze star has an outer convection zone. The present field is generated by a self-excited dynamo. Rotation influences convection and so generates the two main ingredients of the dynamo process, non-uniform rotation and helicity. Several competing descriptions have been proposed: A two-level picture wher