Then, the sound insulation of sound-isolating and decoupled tile is studied based on the theory of non-uniform wave guide.

运用非均匀波导理论对隔声去耦瓦的隔声性能进行了研究。

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Sound insulation of sound-isolating and decoupled tiles covered on the outside surface of pressure hull is studied based on the theory of non-uniform wave guide.

采用非均匀波导理论研究了敷设于耐压壳体外表面的隔声去耦瓦的隔声特性。

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Moving out from a source in uniform medium, a wave travels in straight lines.

当波从均匀介质中的波源移出时，呈直线传播。

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He frequently adjusted his uniform, at times pitched from the stretch with no one on base and even once had to wave several times to get Romine's attention when he wanted a new baseball.

WSJ: Yankees' Pettitte struggles against Astros