As an unrenewable resource, farming land has to be made highly efficient use of.
农地是不可再生资源，必须进行有效的利用。
Biorefinery is a new industrial mode substituting renewable biomass for unrenewable fossil resource to produce bioenergy or chemicals and securing the sustainable development of social economics.
生物炼制是以可再生生物质资源为原料，生产能源与化工产品的新兴工业模式。
Biorefinery is a new industrial mode substituting renewable biomass for unrenewable fossil resource to produce bioenergy or chemicals and securing the sustainable development of social economics.
生物炼制是以可再生生物质资源为原料，生产能源与化工产品的新兴工业模式。
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