Echo example sentences

Yields are increased by locating large schools of fish in the open sea using satellites and echo-sounders.The adrenal gland releases large amount of catecholamines (epinephrine and norepinephrine) into the blood stream.Catecholamines also stimulate the breakdown of glycogen resulting in an increased concentration of glucose in blood.I shouted with joy, and Gilbert Peak returned the echo.Marine fish capture is done by fishing nets guided by echosounders and satellites.