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平台:
EBSCOhost Academic Search Complete
(Available from 2015/01/01 until 2017/10/31.)
EBSCOhost STM Source
(Available from 2015/01/01 until 2017/10/31.)
ProQuest SciTech Premium Collection
(Available from 2011/01/01 until 2011/12/31. Available from 2013/01/01 until 2017/10/31.)