You may normally boot from a hard drive, but you may sometimes need to boot from a floppy disk, a USB memory key, a CD or DVD, or a network.

您可能通常从硬盘驱动器引导，但有时可能需要从软盘、usb内存密匙、CD或DVD，或者网络引导。

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The whole system is controlled by a special computer system provided with back-up memory, key-board, micro-printer and led display.

专用电脑有后备存贮器、键盘、微型打印机及LED显示器。

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If every time you got a new memory, you had a new personality, and the personality theory said having the very same personality was the key to survival that none of us survive more than a few seconds.

如果每次有了新记忆，有了新的人格特性，根据人格论,只有同样的人格才是活下去的关键,那么我们只能活几秒钟了。

耶鲁公开课 - 死亡课程节选

The researchers recorded a drop in receptor density in the hippocampus - and other key memory centres - of 49% of Alzheimer's patients.

BBC: NEWS | Health | Hope for early Alzheimer's test

You need to use your PowerPoint slides exclusively for images for your audience that will enhance their understanding and memory of your key message points.

FORBES: PowerPoint Is NOT a TelePrompTer

In addition, DDR4 has been designed in such a way that stacked memory devices may prove to be a key factor during the lifetime of the technology, with stacks of up to 8 memory devices presenting only a single signal load.

ENGADGET: JEDEC announces final DDR4 RAM specification