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
- Longuet-Higgins point
- long vowel
- Longwangmiao Formation
- longwang temple (temple of the Dragon King)
- Longwanqun Guojia Senlin Gongyuan
- Longwan Site
- long wave
- long wave antenna
- long-wave approximation
- long-wave branch
- long-wave communication
- long wave cut-off filter
- long wave fluctuation
- long-wave fluctuation
- longwave infrared
- long wave infrared detection system
- long-wave-pass
- long wave pass filter
- longwave photometric system
- longwave photometry
- longwave radiation
- longwave radiation budget at the Earth surface
- long wave radio time service
- long wave UV reflection photography
- Longweipai