This focusing is the main reason that even relatively weak sounds in the ocean, especially low-frequency ones, can often travel thousands of miles.

正是由于这种集声，即使是海洋中相对微弱的声音，尤其是低频声音，也能传播数千英里。

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In other words, TripIt wants to show that it is focusing on the business — and not just the leisure — travel markets.

从另外一个角度来看，这表明TripIt不仅重视休闲旅游市场，而且也关注商务旅游市场。

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Common focus point (CFP) migration based on the equal travel-time principle is a kind of pre-stack depth migration method through focusing in both emission and detection.

共聚焦点(CFP)偏移是基于等时原理，通过激发聚焦和检波聚焦的双聚焦实现叠前深度偏移的地震成像方法。

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Room 77 is differentiating from other travel sites by focusing exclusively on hotel search, says Kevin Fleiss, chief operating officer of Room 77.

FORBES: Move up http://i.forbesimg.com t Move down

The ad will run mostly on nationwide cable channels focusing on food, home and travel that could include Bravo, HGTV, Discovery and Travel Channel.

FORBES: Fab.com Runs $8M TV Ad Campaign, Expects $25M In 2012 Facebook Ads

Despite the bleak outlook, industry professionals at World Travel Market were upbeat and focusing on the positive fallout from the economic crisis.

CNN: Global tourism feels the squeeze