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- explosive echo ranging sonar 爆破回声测距声呐
- bottom bounce echo ranging sonar 海底回声测距声纳
- echo ranging sonar 回声定位声纳,回声测距声纳
- explosive echo ranging 爆炸回声测距
- explosive echo ranging sonobuoy 爆炸回声测距声纳浮标
- Echo RSSI signal strength information, and on the protection of mine workers RFID echo ranging system based on the RSSI. RSSI信号回波强度的相关资料，及关于井下工人保护的RFID基于RSSI回波测距系统。
- CERES (Combined Echo Ranging Echo Sounding) 统一的回声测距与测深
- Loud explosions echoed across the capital. 首都境内，爆炸声震耳欲聋，回声不绝。
- Combined echo ranging echo sounding 组合回声测距与测深
- electron-optical echo ranging system 电光回波测距系统
- Maximum Effective Echo Ranging Speed 最大有效回声测定速度
- Study on Digital Noise Targets Passive Ranging Sonar 数字式噪声目标被动测距声纳研究
- electro optical echo ranging system 电光回波测距系统
- Ultrasonic Echo Ranging Equipment 超声回波测距设备
- electro-optical echo ranging system 电光回波测距系统-
- Combined Echo Ranging and Echo Sounding 综合回音测距与测深
- I was reading a magazine when the phone rang. 电话铃响时我正在看一本杂志。
- The melody still rang in her ears. 那个旋律仍然在她的耳际荡。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- Sonar is an acronym for sound navigation ranging. “sonar”（声纳）是“sound navigation and ranging”（声音导航和测距）的首字母缩写词。
