许多资深的计算机安全研究人员认为这种战略是“外硬内软”。

“Hard on the outside, with a soft chewy center, ” is the way many veteran computer security researchers think of such strategies.

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硬链接的文件不需要用户有访问原始文件的权限，也不会显示原始文件的位置，这样有助于文件的安全。

A hard-linked file does not require the user to have access rights to the original file and does not show the location of the original, so it has some security advantages.

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目的：观察腰-硬联合麻醉用于尿毒症合并急性左心衰竭肾移植时的安全性。

OBJECTIVE: To investigate the safety of combined spinal-epidural anesthesia during kidney transplantation in patients with uremia and heart failure.

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