样式表是一个指令集合，它指定特定类型的数据作为输入，并指定其他一组数据和格式化作为输出。
A stylesheet is a set of instructions that specify certain types of data as input and specify some other set of data and formatting as output.
计算机是一台接受输入，处理数据，存储数据和产生输出的设备，他们都是根据一系列的储存的指令来完成的。
Computer is a device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions.
通过使用含有残留影像记录的更加复杂的执行输入指令可以使丢失的数据得以恢复。
The lost data is recovered using a more sophisticated transaction log that contains what are called after-image records.
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