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- Helicopter Sonar Data Collection 直升机声呐数据收集
- anti-submarine helicopter sonar detection 反潜直升机声纳探测
- The shipwrecked sailors were rescued by helicopter. 遭遇海难的水手已经被直升机救起。
- The helicopter had off when we got here. 当我们到达时,直升机已经起飞了。
- We were whirled away in a helicopter. 直升机迅速把我们运走。
- The helicopter hovered over the house. 直升飞机停留在那房子上空。
- Food is being lifted in by helicopter. 食品正用直升机空运进来。
- The helicopter landed with Joe at the controls. 直升飞机在乔的操纵下降落。
- "Helicopter" is clipped to "copter". "Helicopter"可被缩略成"copter"。
- The criminal escaped by a helicopter. 罪犯乘直升机逃走了。
- helicopter sonar 直升机声纳
- The admiral visit the ships under his command by helicopter. 舰队司令乘直升机视察他所指挥的军舰。
- Our main detection device is sonar. 我们主要的探测装置是声波定位仪。
- The crew were taken off (the wrecked vessel) by helicopter. 船员被直升飞机(从遇难的船中)救出。
- I'm getting a strong response on the sonar. 我在声纳上测得强力反应。
- The whales need sonar to find food. 而鲸鱼就是靠这种能力来寻找食物的。
- Three men were lifted by helicopter from the burning ship. 直升飞机把三个男人从燃烧著的船上吊起。
- We shuttled the passengers to the city center by helicopter. 我们来来回回地用直升机把旅客运送到市中心。
- We sat listening to the chat-chat-chatof the sonar. 我们坐下来听声纳的嚓嚓嚓声。
- Cavitation is noisy and easily detected by sonar. 空泡现象是有噪声的并且容易被声纳探测到。