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
- difference-cover
- difference differential equation
- difference-differential equation
- difference distribution
- difference element
- difference equation
- difference family
- difference formula
- difference Fourier synthesis
- difference frequency
- difference frequency distortion
- difference-frequency distortion
- difference game
- difference group
- difference hierarchy
- difference interval
- difference kernel
- difference matrix
- difference method
- difference module
- difference Monte Carlo method
- difference of a function
- difference of events
- difference of first order
- difference of higher order