1.  trough
2.  valley
3.  trough of wave

• 1. 波谷: Trough | valley | waudio-videoe trough | bha-go
• 2. 波谷值: TROUGH
• 3. 波谷位置: TROUGHBARS

更多释义

• 1.小船在海浪间的波谷中剧烈地摇晃着。
  The boat rolled heavily in the troughs between the waves.
  dict.yoduao.com
• 2.海浪是从波峰到波谷进行测量的。
  Waves are measured (测量) from the top (crest) to the bottom (trough).
  dict.yoduao.com
• 3.从波谷到波峰增加的很少，只有25%左右。
  The increase from trough to peak is minor: only around 25%.
  dict.yoduao.com

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