One of the most common user errors is to bump the control key while typing the letter A. If you keep typing after that, you'll see the entire document disappear before your eyes.

最常见的用户错误之一是键入字母a时碰到ctrl键。如果在这之后继续键入，您将看到完整的文档在您眼前消失。

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And as any web startup can tell you, portals are the key to generating that initial traffic bump that starts word of mouth.

很多互联网新创公司都会告诉你，渠道对于产生最初的客流至关重要，因为他们随后才能进行口耳相传。

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Studied the shock bump caused by the key stratum movement in Huafeng Colliery using the microseism locating and monitoring technology.

采用微地震定位监测技术对华丰煤矿关键层运动诱发矿震进行了研究。

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Aesthetically, the camera looks a good deal like the S2, maintaining its nice looking design with a couple of key differences -- for one thing, there's an extra bump on the top of the camera -- this is where the integrated GPS lives.

ENGADGET: Leica S-System hands-on (video)

What's clear from that table is that you see in 2009 there is a bump up in spending in that category because of the Recovery Act, which again was necessary to -- a key part of moving from minus 5 percent to more than plus 5 percent on economic activity.

WHITEHOUSE: Detailing the FY2011 Budget