Characterized by means of digital simulation tools instead of using computer analysis to replace manual retrieval, manipulation replaced by the remote site management.
其特征是以数字手段代替模拟手段，用电脑分析代替人工检索，由远程操控代替现场管理。
2
The latter one which is about the manipulation of computer is optional but must be included in the final test.
第二部分关于计算机操作，属于选修但其摸考试包括这部分。
3
The pictorial representation and manipulation of data as used in computer-aided design and computer-aided manufacture in typesetting and the graphicarts and in educational and recreational programs.