(3)论文集[C](collected papers)(4)学位论文[D](dissertation)(5)专利[P](patent)(6)技术标准[S](standardization)(7)报纸[N](newspaper article)(8)科技报告[R](report)(9)会议文献[C] (conference)2.电子文献载体类型用双字母标识,具体如下:(1)磁带[MT](magnetic tape)(...