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
- digital network
- digital network architecture
- digital newspaper
- digital newspaper platform
- Digital Newspaper Publishing Industry
- digital-numerical integration analysis of civil information
- digital object
- digital object identifier
- digital oil and gas field surface engineering
- digital oil field
- digital on-site construction
- digital opportunity index
- digital optical sky survey
- digital organ
- digital or numerical controller
- digital orthophoto map
- digital output
- digital particle image velocimetry
- digital pathology
- digital payment
- digital PCR，dPCR
- digital periodical
- Digital Periodical Publishing Industry
- digital personnel location management
- digital phase meter