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- multiple echoes detection 回波探测
- To solve the laser weak echo detection under the clutter background, A dynamic programming (DP) technique has been developed for the detection of weak targets. 摘要为解决低信噪比下激光微弱回波的检测问题，提出了一种新的小目标检测算法。
- Detection of Multiple Echoes and Its Application in Filtering of Airborne Lidar 航空Lidar的多次回波探测方法及其在滤波中的应用
- A METHOD OF ECHO DETECTION AND RECOGNITION 一种回波信号的检测识别方法
- underwater target echo detection 水下目标回波检测
- New Adaptive Algorithm for Multiple Echo Cancellation 一种新的多重回波抵消的自适应算法
- The moving echoes detected by grey-scale ultrasound is more significant than the blood flows detected by color power Doppler in the intervillous circulation in inevitable abortions (P<0.01). 早期难免流产中胎盘绒毛间隙移动点状回声显示率高于彩色能量多普勒血流显示率，差异具有统计学意义(P<0.;01)。
- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- Sea Echo Detection with the System of Ionospheric Backscatter Sounding 利用返回散射系统监测海洋回波
- This wall is famous for producing echoes. 这墙壁因能发出回声而出名。
- He is the person with multiple injuries. 他就是那个多处受伤的人。
- The bird-song is the echo of the morning light back from the earth. 鸟的歌声是曙光从大地反响过去的回声。
- His words aroused no echo in their hearts. 他的话未能在他们心中引起共鸣。
- Friendship multiple joy and divide grieve. 朋友之间，欢乐同享，苦难同当。
- We use the hall for multiple purposes. 这个大厅我们派多种用途。
- A cavernous yawn; cavernous echoes. 瓮音的呵欠; 洞中的回声
- It prevents the other end from hearing an echo of themselves. 该功能可以防止远端听到他们的回声。
- A multiple crash can often be seen on that motorway. 那条公路上的联环撞车事故很多。
- The daily echo have a readership of over ten millions. 《每日回声报》拥有读者逾一千万人。
- Her softening voice chimed in beautifully with the echo of the music. 她柔和的嗓音与乐曲的回声美妙地融为一体。
