在数据被存储之前压缩数据，以及在从外部存储设备读出数据时将数据解压，这都需要使用一定的CPU资源。
A certain amount of CPU resource is used to compress the data before it is stored, and then to decompress the data when it is read from the external storage device.
清单7是一个简单的程序，它从数据库中读出数据的内容，并将其打印到屏幕上，在打印时对name域进行排序。
Listing 7 is a simple program to read and print out the contents of the database, sorted by the name field.
早在两年前，有另一个研究小组宣称可将量子数据存储于原子核内2秒钟，但是他们并没有用电子手段读出数据。
Two years ago, a different research group reported storing quantum data for two seconds within atomic nuclei, but they did not read it electronically, Boehme said.
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