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
- signal peptidase
- signal peptide
- signal peptide; leader peptide
- signal peptide prediction
- signal phase spectrum
- signal power spectrum estimation
- signal process
- signal processing
- signal-processing antenna
- signal recognition particle
- signal reconstruction
- signal resolution
- signal scaffold protein
- signal screen
- signal sequence
- signal's gaussian characteristics
- signals of agrometeorological disaster prewarning
- signal source
- signal space
- signal statistics analysis
- signal strength
- signal swing
- signal system of hydropower station
- signal system theory
- signal theory