小朋友的提問:電腦和手機裏的信息刪除到哪裏去啦？聲音到哪裏去啦？

來源: jck6 於 2011-12-11 04:09:12 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

如果你是這位小朋友的老師,如何回答?

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