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
- theorem of termwise differentiation
- theorem of the complete quadrangle
- theorem of the cube
- theorem of the square
- theorem of three perpendiculars
- theorem of topological degree
- theorem of total probability
- theorem of unique prime factorization
- theorem on addition of probabilities
- theorem on braids
- theorem on composition of accelerations
- theorem on composition of angular accelerations
- theorem on composition of angular velocities
- theorem on composition of velocities
- theorem on congruence
- theorem on constants
- theorem on continuity
- theorem on degrees
- theorem on divisors
- theorem on embedding
- theorem on exchange of basis
- theorem on holonomy
- theorem on homomorphism
- theorem on implicit functions
- theorem on isomorphism