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The system can effectively prevent illegal copy of DVD disc.
该系统可有效防止对DVD盘片的非法拷贝。
youdao
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This disk may be damaged, write protected, or an illegal copy.
该磁盘可能已损坏、写保护或是非法副本。
youdao
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This disk may be damaged, write protected, or an illegal copy.
该磁盘可能已损坏、写保护或是非法副本。
youdao