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
- system noise
- system noise temperature
- system nucleus
- system objective
- system objectives
- system of algebraic equations
- system of anchor bars
- system of appropriate adult participation
- system of approximations
- system of area responsibility of educational inspection
- system of astronomical constants
- system of axioms
- system of biological classification
- system of Buddhist authorities in ancient China
- system of centralized pollution control
- system of circles
- system of circular economy
- system of civil servants resignation
- system of classes
- system of cleaning production
- system of coefficients
- system of commission and appointment
- system of concurrent forces
- system of congruences
- system of conics