理学 系统兼容性 释 downward compatibility 向下兼容 为旧版本软硬件环境所创建的程序能够在新版本软硬件环境中运行，或者旧版本程序产生的数据和文档能够被新版本程序使用。又称向后兼容（backward compatibility）、回溯兼容。
软件工程 释文 downward compatibility 向下兼容
- generalized game
- Generalized Gamma model
- generalized geometric programming
- generalized geometric programming (GGP)
- generalized gradient
- generalized gradient approximation
- generalized-gradient approximation
- generalized gradient approximation, GGA
- generalized graph coloring
- generalized Greenberg conjecture
- generalized Green formula
- generalized Green function
- generalized group
- generalized half-plane
- generalized Hamiltonian system
- generalized Hamming weight
- generalized hard and soft acid and base principle
- generalized Hardy class
- generalized Hardy space
- generalized helicoid
- generalized helix
- generalized hexagon
- generalized homogeneous function
- generalized homology
- generalized homology theory