At each interface the spreading wave front is made discontinuous.

在每一分界面上扩展的波前出现间断。

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And if Google caught the wave of the larger crowd creating, spreading, refining, defining, correcting and debating information, clearly Facebook sees their wave being even larger, because it can offer all of that and a bag of chips.

FORBES: Facebook, cartoons, pedophiles and a friend-sourced future

Interior Minister Rehman Malik said on Wednesday night that a "new wave of terrorism" was spreading across southern Pakistan, including Karachi and nearby Balochistan province.

BBC: Relatives gather around the body of Abdul Majeed Deenpuri

MIAMI, Florida (CNN) -- The U.S. Coast Guard said Thursday it has picked up more than 500 Haitians attempting to flee their troubled island home by sea and will send most of them back to Haiti, where a spreading rebellion has stoked fears of a new wave of refugees.

CNN: Haitians flee to U.S. in boats