IGBP, 2004.Global Change and the Earth System: A Planet Under Pressure.Executive Summary.W.Steffen and S.Eliott (Eds.), IGBP Secretariat, Royal Swedish Academy of Sciences.是什么意思_IGBP, 2004.Global Change and the Earth System: A Planet Under Pressure.Executive Summary.W.Steffen and S.Eliott (Eds.), IGBP Secretariat, Royal Swedish Academy of Sciences.在线翻译_英语_读音_用法_例句