一旦将一行读入模式缓冲区，它就执行'd '命令，然后打印模式缓冲区的内容(在本例中没有内容)。
Once a line was read into the pattern buffer, it performed the 'd' command and printed the contents of the pattern buffer (nothing in this example).
推模式最适合边读入边处理XML文档，比如读入rss提要并显示为HTML网页。
The push mode is best suited for processing XML documents on the go, like reading an RSS feed and displaying it as an HTML Web page.
当系统重新启动时，它将有关信息从硬盘读入内存并恢复休眠前的状态，就像从睡眠模式醒来一样。
When the system is powered on again it reads information from the hard drive back into memory and should pick up where it left off, just like waking from sleep mode.
当系统处于这些模式中的任意一个时，应用程序必须轮流从输入队列读入输入。
When the system is in either of these journaling modes, applications must take turns reading input from the input queue.
读入或感知穿孔纸带上的穿孔模式，将它所代表的数据转换成电信号的一种设备。
A device that reads or senses the hole patterns in a punched tape, transforming the data from the hole patterns to electrical signals.
读入或感知穿孔纸带上的穿孔模式，将它所代表的数据转换成电信号的一种设备。
A device that reads or senses the hole patterns in a punched tape, transforming the data from the hole patterns to electrical signals.
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