专家预测到本世纪末，营救工具能够盘旋在被困人的上方，直接通过空气柱把他们搭救到营救工具上。
Experts predict that by the end of the century, rescue vehicles will be able to hover above people in trouble and lift them directly into the rescue vehicle through a column of air!
最后一种是不用到ubuntu激活光盘，当然，系统营救光盘同样是好工具，因此也包括在列表里了。
The last one isn't using the Ubuntu Live CD, of course, but the System Rescue CD is a great tool as well, so we figured we'd include it in the list.
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