The possible propagation wave modes are pointed out.

指出了可能存在的波型。

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The scientists checked records for vulnerable faces of the Antarctic coast and studied models of the likely wave propagation.

科学家们检查了南极洲易损表面的记录并且建立了最有可能的海浪传播途径的模型。

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They probably realized that sound was a wave propagating through the air and may have had a notion of the compressibility of air during sound propagation.

他们可能意识到声音是通过空气传播的波，并可能有声音传播时空气压缩的概念。

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The speakers use a one-piece aluminum casing that optimizes wave propagation within the cabinet for more fidelity in its sound reproduction, while the higher stiffness ratio offers a more compact loudspeaker solution.

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Antenna and wave propagation theoretical background is essential.

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