If these techniques fail, researchers could perform an MRI scan on the container, but this option is expensive and would involve transporting the half-ton coffin to a hospital.
如果这些技术都失败了，研究人员可以设法对棺材使用核磁共振扫描，但此项选择需要昂贵的经费，并会涉及到怎样把半吨重的棺木运送到医院。
Powerwait: Only execute the command if init receives a power fail signal, and wait until the process terminates before continuing to scan the inittab file.
powerwait：只在init收到电源故障信号时执行命令，并且等待进程终止后再继续扫描inittab文件。
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