Sentences with echo sounding
ech·o sound·ing
E e - Echo-sounding operates on the principle that sound travels through water at a constant speed.It is possible to discover the presence of certain minerals in the earth by echo-sounding which involves the sound of an explosion being sent down through the earth and reflected back up again.Echo-sounding is a method of discovering where an object is by sending pressure waves and recording the time it takes for the echo to return.