Wei ji yuan li ji ying yong/: The principle and application of microcomputer, Hua xue yuan li yu ying yong=: Chemistry principles and applications/. Xia ce. The principle and application of microcomputer Shu ju ku yuan li ji ying yong shi jian jiao cheng =: Database principle and application practice tutorial / Principle and application of microcomputer 并列题名：Principle and application of microcomputer