Scientists are uncovering the secrets of twin port cities lost under the waters of the Mediterranean sea, a researcher said recently.

一名研究人员近日透露说，科学家正在揭开出两座港口城市消失在地中海水下的谜底。

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Philippe Petit, the French acrobat who in 1974 walked across a tightrope between the twin towers, wasn't on the payroll of the Port Authority, but in retrospect he probably should have been.

1974年，法国杂技大师菲利普·珀蒂，走完了世贸双塔间架起的钢索，他并不受雇于港务局，但他大有可能被回想起。

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Theoretical and experimental results suggest that the engine performance at low load can be improved with the variable swirl twin inlet port.

理论计算与试验结果证明，采用双进气道可控进气涡流系统是改善大功率柴油机低负荷性能的一个有效途径。

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The twin port is currently handling more freight than ever, with business at Long Beach, the bigger of the two, 20% higher this September than last.

ECONOMIST: Logistics

The bass reflex port is optimally positioned to ensure the twin woofers drive accurately and with synchronous timing, controlling back radiation and to help eliminate sound distortion.

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The dead include 343 firefighters, 23 New York police officers and 37 officers for the Port Authority, the transportation agency that owned the Trade Center complex -- the twin towers and five smaller buildings.

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