Answer:
方法/步骤
右键单击以选择此计算机，然后有一个菜单来选择属性。
选择后，打开属性面板以找到我们的高级系统设置。
打开后，我们在系统设置下找到高级设置。
打开后，我们看到下面有一个环境变量选项。
打开后，我们在右下角看到一个删除选项。
单击删除到，在右下角后单击删除，然后单击确定的选项。 ...
本文未经授权摘自百度经验
Answer:
supercomputers are the computer that is used in scientific research.
Answer:
Bootrec.exe
Explanation:
The process of turning on a computer system is called booting. When a computer system boots, it runs the post test and loads into memory, the information or program needed to run the operating system, and then locates the operating system from the boot manager record in the disk partitions. When the disk is failed to be recorded, or the boot manager or sector is corrupt or lost, the bootrec.exe command is used in the command prompt to correct these problems.
Ooeration support system. OSS is IT for running a communications network.
