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- explosive echo ranging sonar 爆破回声测距声呐
- 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
- Combined echo ranging echo sounding 组合回声测距与测深
- bottom bounce echo ranging sonar 海底回声测距声纳
- Loud explosions echoed across the capital. 首都境内，爆炸声震耳欲聋，回声不绝。
- 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
- Working frequency is from 50Hz to 5kHz. Measuring function and range change arecontrolled by logic circuit. 工作频率为50赫至5千赫。
- 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-
- The results of fiber coupler packages will be accepted if the measurements for the optical properties are within a small range change under the environmental tests. 如果该耦合器对环境变化有良好的稳定性，其光学特性变化将很小，若对环境变化稳定性不够，其光学特性改变将较大。
- 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。
- The theoretical calculation and the experimental result indicated that, after temperature compensation, this kind of new hotwire air mass flowmeter still had high measuring accuracy when the environment temperature had wide range change. 理论计算和试验的结果表明，经环境温度补偿后，这种新型热线式空气质量流量计在大范围环境温度变化下仍具有较高的测量精度。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
