data flow diagram
短语[电] 资料流程图
词形变化
data flow diagrams
复数
data flow diagrams
别名
DFD
释义与例句
n.
-
1.
A type of flow chart; a description of data and the manual and machine processing performed on the data as it moves and changes from one stage to the next. It also includes the locations where the data are placed in permanent storage (disk, tape, etc.)