Highway traffic noise prediction model is deduced and analyzed. It is indicated that the FHWA model originating from USA Federal Highway Administration is an approximate representation.

对公路交通噪声预测模型进行了分析推导，指出美国联邦公路局FHWA模型为近似表达式，并给出了精确表达式。

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It would also impede the Federal Housing Administration from originating guaranteed mortgage loans, making it very hard for lower-income citizens to buy homes.

FORBES: How A Government Shutdown Will Impact Wall Street And Your Finances

S. 3542, the "No-Hassle Flying Act of 2012, " authorizes the Department of Homeland Security's Transportation Security Administration to determine whether checked baggage on flights originating at foreign airports that has been screened in accordance with an aviation security preclearance agreement must be re-screened in the United States by an explosives detection system before continuing on any additional flights.

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