To construct a screensaver, the best way is to configure it with a virtual CD-ROM drive, keyboard, screen, and mouse, but without any virtual disks or network adapter.

要构造一个屏幕保护程序，最好的方式就是为其配置一个虚拟的光驱、键盘、屏幕和鼠标，但是不需要虚拟磁盘和网络适配器。

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The CD is simulated by an ISO file generated by the VDM according to the VM deployment task and will be mounted to a virtual CD-ROM so it can hold far more data than a floppy disk.

该CD是由VDM所生成的ISO文件根据VM部署任务模拟的，并且将被装入虚拟光驱，这样它可以比软盘保存更多的数据。

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In addition to populating the virtual disk with the CD-ROM ISO image, you must boot the image when it's done.

除了使用CD - ROM IS o映像来填充虚拟磁盘之外，还必须在结束时启动这个映像。

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McGee, had developed a prototype for a Virtual Patient program, one that third and fourth year Harvard Medical students could utilize (on CD-ROM) to learn some of the details of patient care that they would not be able to pick up on rounds.

FORBES: Remembering 9/11: From Longwood Medical Area