output-input ratio
英 [ˈaʊtpʊt ˈɪnpʊt ˈreɪʃiəʊ]
美 [ˈaʊtpʊt ˈɪnpʊt ˈreɪʃioʊ]
投入产出比率；输出输入比
双语例句
- Ways for exerting the potential productivity of the superior agricultural natural resources, optimizing the land utilization and the agro-economic structure, and improving the output-input ratio were presented.
探讨了如何发挥农业自然资源的潜力优势，正确制定农业自然资源开发的方针、重点和目标，如何优化土地利用与农业经济结构及如何提高农业的投入产出水平。 - The output-input ratio for artificial supplementary energy of Henan Xinxian's 10 peasant families has been calculated successively for three years.
文章以河南新县10户农民为案例，具体介绍了人工辅助能产投比的计算研究方法，并报告了连续3年的研究结果。 - Foodstuff Output-input Ratio Mould and Forecast in Henan Province
河南省粮食产出模型与预测 - If not consider the variable-rate input cost, VRF would have higher output-input ratio than TF, economic benefits of VRF are well prominent, and VRT technology can bring good eco-social benefit by itself.
如果不考虑变量投入成本，变量施肥的产投比高于传统施肥，经济效益显著；变量施肥技术本身可以带来良好的生态社会效益。 - With output-input ratio analysis, the organic supplement energy has placed more and more important effect on the productivity of cropland.
无机辅助能在提高农田生产力方面发挥着主要作用，而有机辅助能的影响不断增强。 - The fact that UV-B radiation reduced output of N and P of spring wheat colonies, was likely to indicate that decreases of both output-input ratio and cycling function of N and P in wheat field ecosystem occurred.
UV-B辐射降低春小麦群体N、P输出，标志着麦田生态系统N、P产投比降低，N、P循环功能下降。 - In this paper, the history data about the foodstuff output-input ratio, the foodstuff planting area, the general agriculture machine power and the crop disaster areas during 1978~ 1994 period have been collected.
通过收集河南省1978～1994年粮食产出、粮食播种面积、农业机械总动力和农作物成灾面积的历史数据，建立了河南省粮食产出模型； - The output-input ratio for artificial supplementary energy of the planting sub-system is 1.91; and that ratio of the entire system is 1.2.
其中种植亚系统的人工辅助能产投比为1.91，全系统的人工辅助能产投比为1.2。