sonar
Definition: A system for the detection of objects under water by emitting sound pulses and detecting or measuring their return after being reflected
Example Sentences:
Out in the Atlantic, vast Japanese factory ships work nonstop, using modern sonar detection to spot the tuna shoals they sweep the ocean clean of fish.
برای ذخیره و تمرین کلمات، لطفاً وارد سایت شوید.
بعد از ورود، به همین صفحه بازخواهید گشت.