该系统的实用性很强。
作者编制了一套实用性很强的计算机程序，并配有计算机绘图。
The authors have programed a practical computer program with the computer graphics.
数据库技术与应用是一门理论与实践相结合的课程，实用性很强。
"Database Technology and Application" is a course that combines theory and practice. It is very practical.
应用推荐