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平台:
EBSCOhost Academic Search Complete
(Available from 2010.)
EBSCOhost OmniFile Full Text Select
(Available from 2012/02/01.)
EBSCOhost Professional Development Collection
(Available from 2010/09/01.)
EBSCOhost STM Source
(Available from 2010/09/01.)
ProQuest SciTech Premium Collection
(Available from 1998/03/01.)