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unauthorizedly 释义 未经授权地 未经委托地 未经许可地 未经批准地 例句 1·Digital watermarking is a technique which can protect the copyright of multimedia data and prevent digital material from being tampered and distributed unauthorizedly etc. 数字水印是保护数字作品版权,防止数字作品篡改和非法传播等的一门技术。
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