One basic part of ocean study is understanding waves and how they work.

海洋研究的一个基本部分是了解海浪及其规律。

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A fuller understanding of the propagation of sound waves had to wait until more elaborate mathematical techniques were developed.

对声波传播的进一步了解必须要等到更精密的数学技术开发出来。

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Don't they realize that if someone is smart enough to read a text, they're also capable of understanding what the little bobble head with the sound waves coming out of him symbolizes?

为什么有些人觉得有必要发信息，告诉你他们刚留了言？难道他们没有意识到，如果有人有足够的智力阅读信息的话，他们也能明白，耳塞里传出来的声波代表着什么？

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But Karmarkar says that the research is more about understanding brain waves, not controlling them.

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Waves of Chinese lawyers who received law degrees in the U.S. come back with understanding of WTO law and different legal systems, said Xiao Jinquan, a partner at Dacheng Law Offices and director of the commerce and corporate committee on the All China Lawyers Association.

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