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标准输入stdin和标准输出stdout默认的都是行缓冲。
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可以使用lseek函数对套接字描述进行文件定位。
Put the following sentences related to the pandemic from “China Daily” into Chinese, paying attention to the wordsexpressing feelings and emotions.Of course we could rely on Italians to create beauty and joy even in the trying times of a global pandemic. Watching videos of Italians create a semblance of community, even while in isolation, is pure delight.
This new approach is exciting because it could help us determine whether a person is infectious or not, even before symptoms of the virus have appeared.
"WHO has been assessing this outbreak around the clock and we are deeply concerned both by the alarming levels of spread and severity, and by the alarming levels of inaction.”
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