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
- Droughtmaster
- drought monitoring
- drought preparedness plans
- drought relief planning of China
- drought resistance of crop
- drought-resistant chemicals
- drought-resistant physiology
- drought-resistant plant
- drought-resistant variety of herbaceous plant
- drought severity
- droughts in China
- drought stress
- drowning
- Drowning My Sorrows In Wine
- drowning prevention
- drowning rescue and resuscitation
- DRPHS
- DRS
- Dr.Strangelove
- Dr.Sun Yat-sen Memorial Hall，Taibei
- Dr.Sun Yat-Sen Museum
- DRT
- Dr. Than Htun
- D RTP
- D-RTP