• 1. P waves: P波
• 2. Plane P waves: 平面P波
• 3. p-waves: p波

更多释义

• 1.Seismic surveying is largely concerned with the primary P waves.
  地震勘探主要研究一次纵波。
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• 2.And researches found that P waves traveled through both liquids and solids while s waves traveled only through solid matter.
  研究发现P波能在液体和固体中传播，然而S波只能在固体介质中传播。
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• 3.It is shown that so long as the restrained gas exists, there are two P waves and one S wave, even though the fluid phase is incompressible.
  结果表明，甚至当液相为不可压缩时，由于束缚空气的存在，饱水土体中亦存在着两种P波。
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