The Navy has decided to cancel its contract for the A-12 Stealth attack plane.

海军方面已决定取消购买a - 12隐形攻击机的合同。

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The Navy has decided to cancel its contract for the A-12 Stealth attack plane.

海军已经决定撤销A-12隐形攻击机的订购合同。

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The effects of flapping frequency, wind velocity, Angle of attack, plane shape of wing and cambered aerofoil are investigated.

试验中进行了扑动频率、风速、迎角、机翼平面形状、翼型弯度对机翼气动特性影响的研究。

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The failed attack on the plane happened December twenty-fifth, Christmas Day.

VOA: special.2010.01.09

AeroVironment's remote-control attack plane may be small, but it represents a big shift taking place in the U.S. military: Today's defense robotics are more focused on killing and less dependent on humans than ever before.

FORBES: Magazine Article

Washington (CNN) -- A Senate committee began its assessment of intelligence reforms put in place after the September 11, 2001, terrorist attacks by focusing Wednesday on the alleged Christmas Day attack aboard a plane landing in Detroit, Michigan.

CNN: Senators hear testimony on alleged Christmas Day bomb plot

In other words, the odds of a successful attack with a model plane that would cause any significant damage appears to be pretty low.

FORBES: Even With Explosives, Model Planes Just Aren't That Dangerous