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平台:
EBSCOhost Business Source Complete
(Available from 2000/12/01 until 2008/11/30.)
EBSCOhost Energy & Power Source
(Available from 2000/12/01 until 2008/11/30.)
EBSCOhost Environment Complete
(Available from 2000/12/01 until 2008/11/30.)
ProQuest Agricultural & Environmental Science Database
(Available from 1994/08/01 until 2000/12/31.)
ProQuest Earth, Atmospheric & Aquatic Science Database
(Available from 1994/08/01 until 2000/12/31.)
ProQuest SciTech Premium Collection
(Available from 1994/08/01 until 2000/12/31.)