平常
发表于 2025-3-28 14:48:36
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incarcerate
发表于 2025-3-28 18:57:29
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愤世嫉俗者
发表于 2025-3-28 23:58:31
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漫不经心
发表于 2025-3-29 04:48:56
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单纯
发表于 2025-3-29 07:21:43
Forest Inventories as the Basis for a Continuous Monitoring of Forest Biomass Resourcesately 4 out of the 13 billion hectares of land on earth (excluding the arctic and antarctic regions) is occupied by forest; that is, about 30 percent of the land is forest land. This is an average percent applicable to the entire earth. If a breakdown by large geographical areas is desired, it is es
set598
发表于 2025-3-29 14:29:03
Biomass—The Agricultural Perspective this activity. It is also appropriate to ask why an energy user would want to use biomass and why a government would want to encourage the production and consumption of biomass energy. Without trying to exhaust all the possible reasons, three come to mind quickly:
AGGER
发表于 2025-3-29 17:06:31
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nerve-sparing
发表于 2025-3-29 21:56:33
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陪审团每个人
发表于 2025-3-30 03:44:43
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直言不讳
发表于 2025-3-30 06:52:46
Hydrogen from Water — The Potential Role of Green Algae as Solar Energy Conversion System The H. photoproduction of green algae represents one of those possibilities to convert solar energy in a storable and useful fuel. But H. photoproduction by green algae, as a consequence of its extreme sensitivity to oxygen, is hampered for economical and technological applications. Furthermore, th