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
- Bachet equation
- Bachet problem
- Bachet theorem
- Bachmann
- Bachtiar Siagian
- BACH TRA
- Bach trumpet
- Ba Chuan
- Bachu (Maralwexi) Xian
- Bach，Johann Sebastian
- bacillary dysentery
- bacillus
- bacillus calmette-guerin vaccine
- Bacillus cereus
- Bacillus cereus gastroenteritis
- Bacillus cereus infection
- Bacillus subtilis genome
- Bacillus subtillis
- Bacillus thuringiensis gene
- bacitracin
- back
- back analysis in rock mass mechanics
- back analysis of hydraulic structures
- back and forth construction
- back-and-forth construction