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
- two-sided numerical method
- two-sided printed circuit board
- two-sided quadratic form
- two-sided regularizer
- two-sided ring
- two-sided scale
- two-sided search
- two-sided socle
- two-sided statistical test
- two-sided Student test
- two sided surface
- two-sided surface
- two sided test
- two-sided test
- two-sided transform
- two-sided transformation
- two-sided t-test
- two-sided uniformity
- two-sided zero
- two-side nature
- two-sides clustering
- two side test
- two-side test
- Two sisters-in-law
- two-site sorption