理学 结构化分析 释 dataflow diagram; DFD 数据流图 结构化分析方法中所用的一种图。由数据流、加工、文件、数据源和数据终点等主要成分构成，用来描述系统中数据如何流动、处理及存储。
软件工程 释文 dataflow diagram, DFD 数据流图
- semi automatic woodworking machine
- semi-automorphism
- semi-average
- semi-average method
- semi-axis
- semiaxis
- semi-balanced lattice square
- semi-barium star
- semi-basic differential form
- semi-bilinear
- semi bilinear form
- semi-bilinear form
- semi-bilinear form; sesquilinear form
- semi-bilinear functional
- semi-bilinear mapping
- semi-bipartite graph
- semi bituminous coal
- semi-bituminous coal
- semi-bounded
- semi-bounded from above
- semi-bounded from below
- semi-boundedness
- semi-bounded operator
- semi-bounded transformation
- semibreadth