hydrophone

/hahy-druh-fohn/US // ˈhaɪ drəˌfoʊn //UK // (ˈhaɪdrəˌfəʊn) //

水听器,水声,水力发电,水力发电站

Definitions

n.名词 noun

1
- : a device for locating sources of sound under water, as for detecting submarines by the noise of their engines.
- : an instrument employing the principles of the microphone, used to detect the flow of water through a pipe.
- : Medicine/Medical. an instrument used in auscultation, whereby sounds are intensified through a column of water.

That’s because hydrophones can distinguish two or three unique songs, but anything more starts to become indiscernible.
During the summer, the songs picked up by the hydrophone took place mostly at night.
The exasperated "C 6" pursued by hydrophone for another quarter of an hour, but the sound of the enemy's motors was then lost.
The Adriatic Sea was an ideal place for the use of the hydrophone.
The development of the hydrophone for anti-submarine work, both from ships and from shore stations.
This station produced the Mark II directional hydrophone of which large numbers were ordered in 1917 for use in patrol craft.
The alliance between the hydrophone and the depth charge is a natural one.