read_data_line_有道手机词典

1.Xargs reads data from a pipe and runs a specified command for every line read.
xargs命令可从管道中读取数据并为每行读取内容运行指定命令。
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2.The data ready line can be used to flag the processor when a keystroke is ready to be read .
当按下的键准备读出时，数据准备线可用来作处理器的标志。
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3.The host changes the data line only when the Clock line is low, and data is read by the device when Clock is high.
只有当时钟线为低的时候，主机才可以改变数据线(也就是将数据写入到数据线)。数据将在时钟为高电平的时候被设备读龋。
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