WORKBOOK OF CURRENT ENGLISH FOURTH EDITION
WILLIAM E.MAHANEY1989 年出版500 页ISBN：067338585X
High voltage direct current transmission converters
systems and DC grids2015 年出版422 页ISBN：1118846664
CURRENT:PEDIATRIC DIAGNOSIS & TREATMENT 16TH EDITION
2003 年出版1415 页ISBN：0071383840
OXFORD DICTIONARY OF CURRENT IDIOMATIC ENGLISH
A P COWIE & R MACKIN1975 年出版396 页ISBN：0194311457
Protein /peptide sequence analysis current methodologies
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