Jargon
发表于 2025-3-23 12:20:34
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男生戴手铐
发表于 2025-3-23 13:52:54
nd students who are engaged in port planning and design, handling process design, port machinery product design, portmachinery use and maintenance. A comprehensive guide to port handling machinery, it reflects the current state of development and application status of port machinery in China..978-981-99-4848-2
Individual
发表于 2025-3-23 18:37:18
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使苦恼
发表于 2025-3-24 00:13:26
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Dendritic-Cells
发表于 2025-3-24 05:52:36
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哎呦
发表于 2025-3-24 08:16:50
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Lice692
发表于 2025-3-24 14:01:20
Ecosystem models of Lakes Ladoga and Onego,f the Lakes ecosystems, representing, in fact, an integrated complex, that have been developed by the authors during recent years. Attention in this chapter is paid mainly to two models: the Lake Onego ecosystem model, based on the turnover of nitrogen and phosphorus and, the latest one developed by
蒸发
发表于 2025-3-24 15:22:20
Estimating potential changes in Lakes Ladoga and Onego under human and climatic impact, since the signing of the Kyoto Protocol by the Russian Federation. This fact emphasizes the importance of studies on estimates of possible changes in large stratified lakes ecosystems — the largest freshwater reservoirs. In the northwestern part of Russia these are Lakes Ladoga and Onego.
沙草纸
发表于 2025-3-24 21:59:10
Lake Ladoga and Lake Onego models of fish communities, Onego ecosystems five trophic levels can be distinguished: (1) phytoplankton and bacterioplankton, (2) zooplankton and benthos filtrators, (3) predatory zooplankton, benthos and fish (planktophages and detritophages), (4) predatory fish of the first order, (5) predatory fish of the second order and
他日关税重重
发表于 2025-3-25 02:52:28
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