请输入您要查询的字词:
单词
input-output technique
释义
input-output technique
Encyclopedia
理学
运筹学方法
释
input-output technique
投入产出技术
投入产出技术中的投入是指一个系统进行一项活动的消耗,如生产过程的投入是指在进行某项生产活动时对各种原材料、电力和服务等的消耗。总投入包括中间投入与最初投入两部分。中间投入(intermediate input)是指生产过程中对系统各部门产出的消耗。最初投入(primary input)是指生产过程中对初始要素,如固定资产、劳动等的消耗。产出是指进行一项活动的结果,如生产活动的结果为本系统各部门生产的产品(物质产品和服务)。各项经济活动的投入与产出之间具有一定的数量规律性。由美国科学家W.W.里昂惕夫于1936年创立。里昂惕夫因此获得1973年诺贝尔经济科学奖。
随便看
energy conservation of railway station
energy conservation of traction power supply system
energy conservation process of agricultural machinery processing in rual areas
energy conservation process of building in rual areas
energy conservation process of cooking in rual areas
energy conservation technology in rual areas
energy conservation technology of agricultural machinery processing in rual areas
energy conservation technology of building in rual areas
energy consumption
energy consumption big data
energy consumption in mobile devices
Energy Consumption of Pollutant Treatment
energy consumption per unit air volume
energy consumption per unit building
energy consumption per unit GDP
energy consumption per unit of GDP
energy consumption scheduling
energy content of quanta
energy conversion
energy crop
energy cycle in reefs area
energy decomposition analysis
energy degradation
energy-delay product
energy density
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/9/24 0:09:03