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 软件工程 释文 downward compatibility 向下兼容
- semiclassical technique
- semi-classical theory
- semiclassical theory
- semi-clathrate hydrate
- semiclosed database
- semi-closed interval
- semicoherent interface
- semicoherent interphase boundary
- semi coke
- semicolloid
- semicolon
- semicolon derivative
- semi-comitant
- semicommutative operation
- semicommuting
- semi-compact
- semi-compactness
- semi-compact set
- semi-compact space
- semicomplement
- semi-complemented lattice
- semi-complete
- semicomputability
- semicomputable
- semicomputable predicate