trough valley trough of wave
As the wave bore down on us, the trough deepened.
当波涛向我们压来时, 波谷加深了。
—— 给力词典精选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。
—— 辞典例句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。
—— 辞典例句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。
—— 给力词典精选As wave bore down on us the trough deepened.
当波涛向我们压来时波谷加深了。
—— 给力词典精选