先作备份吧！
在法律上，任何人想要为自己的音乐或者软件作个备份是可以的。
Anyone who wants to make a backup of their music or software is legally fine.
就二工大校园卡数据备份采用双机热备系统方案作一探讨。
Made a probe into the planning of data backup schemes in university.
就二工大校园卡数据备份采用双机热备系统方案作一探讨。
Made a probe into the planning of data backup schemes in university.
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