Systems+Analysis+and+Design+in+a+Changing+World+5th+Edition

Fundamentals.of.Database.Systems.4th.Edition

Control Systems Engineering，6th Edition，Norman S. Nise

FundamentalsofDatabaseSystems6thedition数据库基础第六版ElmasriNavathe

FundamentalsofDatabaseSystems6thEdition

现代操作系统英文版第四版ModernOperatingSystems(4thedition)ByAndrewTanenbaum

PrinciplesofMeasurementSystems(4thEdition)

共三部分。清晰非扫描电子原版， Author(s): Richard C Dorf, Robert H. Bishop

英文版，djvu格式。清晰度一般，但是可以凑合看一看，好像不太好找到高质量的英文电子版书。

An Introduction to Database Systems 8th Edition C.J. Date

Fundamentals of Database Systems 6th_Edition