discord
发表于 2025-3-28 15:38:19
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synovium
发表于 2025-3-28 21:54:04
Jennifer L. Greenwood,Rex L. Loweintroduces the concept of water resources, describing the importance of water resources for human beings, flora and fauna, environmental systems and economic and social development, and then describes the main sources of water resources and their characteristics. Section 5.2 introduces the current s
全能
发表于 2025-3-29 00:41:32
Alok Kumar Maloo,Indranath Senguptahe current status of land resource use and the problems to be solved, and proposes a methodology for studying land use in China. Section . introduces the land use situation in China, firstly describes the quantitative characteristics and spatial distribution of land use in China and its changes, and
FECK
发表于 2025-3-29 05:16:26
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用树皮
发表于 2025-3-29 11:05:00
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