农业生态系统 agroecological system
- 农业排放温室效应气体的实际来源: 要有足够的细节(例如根据农业生态系统划分,并有各国总量)。
Actual sources of agricultural GHG emissions: in sufficient detail (e.g. by agro-ecosystems &aggregated by countries). - 农作物秸秆资源的开发利用于国于民、乃至对农业生态系统的可持续发展都具有重要意义。
It is significant for the Country and people, even for sustainable agricultural ecosystem to utilize and develop crop straw resources. - 商品交换是造成农业生态系统间的能量和物质输出及输入的主要原因。
The exchange of commodities is the major cause for the output and input of energy and material between agro-ecosystems.
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