这个过程花这么长时间的原因是，每当打开计算机时，计算机的操作系统必须从硬盘载入到随机存取存储器(RAM)。

The reason that this process takes so long is that a computer's operating system must be loaded from its hard disk into its random-access memory (RAM) every time the machine is turned on.

youdao

这个过程花这么长时间的原因是，每当打开计算机时，计算机的操作系统必须从硬盘载入到随机存取存储器(RAM)。

The reason that this process takes so long is that a computer's operating system must be loaded from its hard disk into its random-access memory (RAM) every time the machine is turned on.

youdao