对沿海小型底栖生物在海洋生态系统能流和物质循环中的作用研究。
Studies on the role of coastal microbenthos in energy flow and circulation of materials in marine ecosystems;
对李家村农田生态系统的能流物流进行了分析和评价。
Energy and material flux in Lijia village farmland ecosystem were analysed and evaluated.
农业生态系统的能量分析从能流着手进行农业生态系统的功能量化分析，是农业生态系统重要的研究方法之一。
The energy analysis of agro-ecosystems from the view point of energy flow is a quantitative study on the function of agro-ecosystem, and is one of the most important aspects in agro-ecosystem study.
建议用辅助能替代率代替能量产投比对农业生态系统进行能流分析。
Supplementary energy replace ratio concept was proposed to clrify peoples comprehension and understanding to some concepts.
建议用辅助能替代率代替能量产投比对农业生态系统进行能流分析。
Supplementary energy replace ratio concept was proposed to clrify peoples comprehension and understanding to some concepts.
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