The structural acoustic problem of the ribbed shells in water is extensively applied in the hiding technology of the underwater navigation devices.

水下加肋壳体的结构声问题在水下航行器隐身技术中有更广阔应用。

youdao

Nowadays, the underwater acoustic positioning system is the mainstream of underwater navigation and localization.

从目前来看，水声定位系统是水下导航定位的主要手段。

youdao

The key techniques of underwater acoustic positioning and navigation are the navigation method and the precise calibration of the absolute position of the seabed transponder.

导航方法和海底应答器绝对位置的校准是水声定位导航技术的关键。

youdao

With remarkable accuracy, the pilots on the James Cook used an acoustic navigation system to "fly" the robot over the rock three miles (4.8km) down towards the oases of life thriving around the vents.

BBC: A deep sea mission of genuine exploration