Digital Rights Management (DRM) is the tool that protects and manages the intellectual property of digital content during producing, spreading, selling and using.
数字版权管理(DRM)，是指数字化内容在生产、传播、销售、使用过程中知识产权保护与管理的工具。
Digital Rights Management (DRM) is the tool that protects and manages the intellectual property of digital content during producing, spreading, selling and using.
数字版权管理(DRM)，是指数字化内容在生产、传播、销售、使用过程中知识产权保护与管理的工具。
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