means a block device
表示块设备
以上为机器翻译结果，长、整句建议使用 人工翻译 。
This means that once a Snapshot has been made, you can mount and read and write to it like a regular block device.
这意味着，在创建快照之后，可以像常规块设备一样挂载和读写快照。
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The real stumbling block is the way using a tablet device often means reforming the curriculum.
FORBES: Names You Need To Know In 2011: The iPad School
应用推荐
模块上移
模块下移
不移动