It's a complex system wherein data is copied to multiple intermediate devices, usually to speed up access to files when millions of people are trying to access the service at the same time.

这是一个复杂的系统，数据被复制到多个中间设备，通常是为了在数百万人同时试图访问服务时加快文件访问速度。

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The cache can easily scale to 40 GB, which can be spread across multiple machines, so the whole cache can be in memory, with minimal access time.

缓存可以轻松扩展到40 GB，可在多台机器上分布，因此整个缓存可以位于内存中，只需要很少的访问时间。

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At one time or another, everyone needs to remember multiple usernames and passwords to access different applications on a network.

每个人都需要记住多个用户名和密码，才能访问网络上的不同应用程序。

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Both the Kingston and Seagate wireless storage devices offer multiple users to access the drive at the same time and even to view video content simultaneously, although WiFi connection speed and reliability will likely limit the actual ability to look at simultaneous video streams.

FORBES: Is 64 GB Big Enough -- Why Tablet Computers May Need More Storage?

But Samsung Electronics, an affiliate of the Samsung chaebol, did have one thing going for it: The firm was totally committed to the up-and-coming phone standard of the time, known as CDMA technology (or code division multiple access), adopted by Sprint.

FORBES: Look out, Sony

This speed of access and performance is perfect for the demands of creative users who often work with multiple large files at the same time.

ENGADGET: Modbook Pro to launch with SSD storage, up for pre-order October 3rd