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- 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。
- Fourthly, there is area of teeth of the gale on the intermediate layer of strong intensity echo location, height on 4-5km and definite velocity, presenting lower-level convergence and upper-level divergence above 10km. 在速度场上,在4-5km高度,和强度较强的回波相对应的位置,有逆风区,呈现辐合场,在10km以上高空呈辐散场的回波特征。
- 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
- 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
- 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。
- The diamond ring dazzled with brilliancy. 这只钻石戒指闪耀夺目。
- Their refusal rang the knell of our hopes. 他们的拒绝是我们希望破灭的凶兆。
- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- The film actors are on location in Japan. 电影演员在日本拍摄外景。
- He rang off without giving his name. 他名字也未说就挂断了电话。
- Mysteriously, there was no answer when I rang. 真怪，我按了铃，但没人应。
