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平台:
EBSCOhost Business Source Complete
(Available from 1993/07/01.)
EBSCOhost Energy & Power Source
(Available from 1993/07/01.)
EBSCOhost Environment Complete
(Available from 1993/07/01.)
EBSCOhost OmniFile Full Text Select
(Available from 1997/01/01.)
EBSCOhost STM Source
(Available from 1993/07/01.)
ProQuest Agricultural & Environmental Science Database
(Available from 1997/01/01.)
ProQuest Earth, Atmospheric & Aquatic Science Database
(Available from 1997/01/01.)
ProQuest SciTech Premium Collection
(Available from 1997/01/01.)