But Aerion reckons that a far better approach is to abandon efforts to reduce the sonic boom and fly supersonic only over water.
但Aerion公司确认为，减弱音爆的最好办法就是只在水面上空超音速飞行，而放弃那些无谓的努力。
Based on the forming principle of choking phenomenon, an approach is proposed to measure the sonic velocity of air-powder two-phase flow.
基于壅塞现象原理，提出了一种测量气粉两相流音速的新方法。
Based on the forming principle of choking phenomenon, an approach is proposed to measure the sonic velocity of air-powder two-phase flow.
基于壅塞现象原理，提出了一种测量气粉两相流音速的新方法。
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