能源: the sources of energy; energ ...和: mix; blend经济: economy数据库: data bank; data base; data p ...经济数据: economic data能源和经济开发国际研究中心: iceed社会经济数据: socioeconomic data人口和经济持续增长对粮食能源和环境的冲击: impact of expanding population and economic growth on food energyand the environment技术及经济数据: technical and economic data全球技术和经济发展数据库: global technology and economic development database能源情报数据库: energyline能源统计数据库: energy statistics database能源效率数据库: reed经济数量: economic quantities经济数学: economic mathematics; economics-mathematics; mathematics and economics经济和社会数据库: economic and social database经济矿物数据库: economic mineral database经济统计数据库: cei能源和环境: energy and environment能源和进步: energie et progres能源和矿业: energia y minas基本经济数列: basic economic series经济数量资料: quantified economic data经济数学方法: mathematics methods of economy经济数学基础: basics of economic mathematics
