The ocean bottom is made up of smooth plains.

洋底由平坦的平原构成.

辞典例句

Many high - gain stations will be deployed on land and ocean bottom.

在陆地和洋底要设置许多高增益的台站.

辞典例句

We sometimes tend to think that the ocean bottom is made up of smooth plains.

我们往往误以为海底也由平坦的平原构成.

辞典例句

First - break positioning technique for ocean bottom cable is then introduced to remove above deficiencies.

为此,我们引进了海底电缆初至波定位技术.

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