每个硬盘或许都包含有一部分或许更多的用户个人资料信息，留言板，图片和视频，以及无数的数字足迹。
Each hard drive might contain a portion of one or more users' profile information, wall posts, photos and videos, as well as innumerable other digital traces.
STA5型用户板用于数字程控交换机的用户接口，也可做为各类接入网系统的远端二线模拟接口。
STA5 subscriber line is applied to subscriber line interface of programmed control digital switches, and two wire analogy remote interface of access network.
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