英语翻译海豚的声波1.海豚之间是如何用声波交流的.2.海豚的声波频率是多少.3.海豚的声波对我们的帮助和作用.4.动物声波对人类发展的影响.
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英语翻译海豚的声波1.海豚之间是如何用声波交流的.2.海豚的声波频率是多少.3.海豚的声波对我们的帮助和作用.4.动物声波对人类发展的影响.
英语翻译
海豚的声波
1.海豚之间是如何用声波交流的.
2.海豚的声波频率是多少.
3.海豚的声波对我们的帮助和作用.
4.动物声波对人类发展的影响.
英语翻译海豚的声波1.海豚之间是如何用声波交流的.2.海豚的声波频率是多少.3.海豚的声波对我们的帮助和作用.4.动物声波对人类发展的影响.
The sound waves of Dolphins
1 How dolphins communicate with each other by sound waves.
2 what's the acoustic frequency of dolphins'sound waves?
3 The functions of dolphins'sound waves and the benefits brought by dolphins'sound waves
4 The influence of animals'sound waves on the development of human beings
相信我,我这个比较好
The sound of Dolphin
1. How dolphins use the sound waves when it exchange between each other.
2.What is the frequency of sound waves of the Dolphin .
3.The help and role to us from the sound of dolphins .
4 The impact to the development of human from the sound of dolphins.
Dolphins waves
1 how dolphins communicate with the sound.
2 what is the acoustic frequency dolphins.
3 the dolphins for our help and sound.
4 animals to human development of acoustic effects.