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1. The sound radar detected the enemy's position before they could launch their attack.
声纳探测到了敌人的方位，在敌人发动攻击前就发现了他们。
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2. The sonar operator was able to locate the submarine using the sound radar.
声纳操作员利用声纳定位了潜艇。
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3. The sound radar was used to monitor the weather conditions for the upcoming flight.
声纳被用来监测即将到来的飞行的天气条件。