【判断题】本次毕业设计需要绘制液压系统控制原理图。
【简答题】A typical DBMS(Data Base Management System)is expected to provide a number of specific functions.
【判断题】A database management system (DBMS) is an extremely complex set of software programs that controls the organization, storage and retrieval of data (fields, records and files) in a database.
【判断题】纺织材料在进行调湿时一般是由吸湿达到平衡 。