Data streaming is achieved by working on part of the data at a time, rather than all or most of the data all at once.

数据流是通过每次使用一部分数据，而不是一次性地使用全部或大部分数据实现的。

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In addition to looking at who uses Twitter, Pew examined how they used Twitter and found that 65% of Twitter users check the site for updates at most once or twice a week.

此调查除了探寻都是哪些人在使用Twitter以外，同时研究他们的使用习性。 数据显示Twitter用户的65%登陆这个网址更新信息的频率仅为每周1到2次。

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He was a great proponent of simplicity, saying once, “An architect’s most useful tools are an eraser at the drafting board and a wrecking bar at the site.”

他是一个伟大的简单性倡导者，他曾说过：“一个建筑师最有用的工具是草图板上的橡皮擦。”

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Clinton,one of the world's most powerful women, told the story of a woman she once met at a craft market in Nepal.

VOA: standard.2010.04.28

Remember last time, I said that there's different kinds of complexity in our code, and I suggested for simple branching programs, the amount of time it takes to run that program is, in essence, bounded by the number of instructions, because you only execute each instruction at most once.

但是这里有个很重要的点,记得上节课，我提过在我们的代码中，有不同种类的复杂度，而且我还说了对于简单的分支程序,运行这种程序需要的总体时间,大体上，是和指令的数目相关的,因为每个指令只会被执行最多一次。

麻省理工公开课 - 计算机科学及编程导论课程节选

Marine biologist David Black(ph) of the Scripps Institution of Oceanography says the abyssal plain is at once the most common and least studied habitat in the world.

NPR: Down Deep, An Unexpected Fish Boom

Bobby Bowfinger is a small-time, not to say failed, movie producer in Los Angeles who grabs at one last chance: he decides to make a movie without informing the star Kit Ramsey (Eddie Murphy), at once the most heavily protected and the most uncontrolled actor in Hollywood.

NEWYORKER: Bowfinger

In each stride horses lift all four hooves off the ground at once, something that George Stubbs, the most famous horse painter of the last 300 years, had guessed at but which, until Muybridge, had never been proved.

ECONOMIST: The many influences of an inventive early photographer