DRM
noun [ U ] internet & telecoms uk/diː.ɑːrˈem/ us/diː.ɑːrˈem/
数字版权管理（Digital Rights Management的缩写）
abbreviation for Digital Rights Management: types of technology used to prevent people from illegally copying software, music, films, etc.
DRM can ensure that programs distributed by internet are legal copies for which the copyright holder is being paid a fee. 数字版权管理系统能保证通过互联网传送的程序为合法版本，版权持有人会因此获得付费。
DRM technology/software/protection 数字版权管理技术/软件/保护