A If you can log into Recovery mode (should be an option when booting,) you can go into the root shell, and create a new account to log into. You can do this with these two commands.

如果你可以进入恢复模式(Recovery mode)(一般可以在启动菜单中选择)，你将可以进入根用户(root)的shell，重新建立一个新的账户来登录。

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This paper discusses some specific practices to shell structure of process stream heat exchanger on the basis of Claus sulfur recovery process.

本文结合克劳斯硫磺回收工艺过程，对过程气换热器壳程结构上采取的特殊作法进行了讨论。

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Objective To investigate the effect of Tortoises shell on expression of BMP4 in spinal cord following injured spinal cord as well as functional recovery in the rats.

目的观察龟板对大鼠损伤脊髓骨形态发生蛋白4 （BMP4 ）表达和后肢功能恢复的影响。

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Shell told MPs that in Alaska available mechanical recovery assets had "a combined capacity that exceeds the worst-case discharge potential of the well we are drilling".

BBC: MPs' call to halt Arctic drilling amid safety concerns