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汉语拼音：bō gǔ

横波中，质点的振动在平衡位置以上的最高处，叫波峰。在平衡位置以下的最低处，叫波谷。如水波，凸起的最高处是波峰，凹下的最低处是波谷。

• As the wave bore down on us, the trough deepened.

  当波涛向我们压来时, 波谷加深了.

• Where a trough and crest coincide we get the total amplitude zero.

  在波峰与波谷重合之处,总振幅实际上为零.

• Their growth results from material being scoured from the trough regions and deposited over the crests.

  他们的生长是由波谷冲刷和波峰淤积而引起的.

• The Nasdaq Composite Index lost 78 % peak - to - trough starting in 2000.

  自2000年起,纳斯达克综合指数从波峰到波谷经历了78%的下跌.

• As wave bore down on us the trough deepened.

  当波涛向我们压来时波谷加深了.

• The sailor dislikes to have his ship get into the trough of the sea.

  海员很不愿意让船只陷入海浪的波谷之中.

• For each song, Wang recorded only the peak and trough of frequency in every 10 - millisecond segment.

  他将每一首歌切成以10毫秒为单位的区段, 只录下其频率的波峰和波谷.

• The residual stress, strain and deformation near the trough were higher than those near the crest.

  波谷处的残余应力 、 应变和变形大于波峰处.