The waves are not noticeable out at sea because of their long wave length.
这些海浪在海上看起来不是很明显，因为它们的波长很长。
If you know the frequency, you will find the wave length.
如果知道频率，就可以知道波长。
If you know the frequency, you can find the wave length.
如果知道频率，就可以求出波长。
Thee frequency, wave length, and speed of sound are closely related.
声音的频率、波长和速度三者是密切相关的。
Radio waves are similar to light waves except their wave length is much greater.
无线电波与光波相似，但无线电波的波长要长得多。
The classical analysis technique for ocean wave length and direction is the spectrum analysis.
传统的波浪波长和方向分析技术是谱分析。
The classical analysis technique for ocean wave length and direction is the spectrum analysis.
传统的波浪波长和方向分析技术是谱分析。
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