1.
having or producing no echo.
没有回声或不产生回声。
2.
echo meter=echometer
回声测试器回声测深仪
3.
listener's echo
受话者回声，电话回声
4.
Of or resembling an echo.
回声的回声的或象回声的
5.
caves that reflect the noise of footsteps;
脚步声在洞中发出回声；
6.
The sound echoes back from the walls.
这声音从墙壁发出回声。
7.
acoustic pulse echo system
声脉冲回声测距系统
8.
The echo was returned By the canyon wall.
回声是峡谷壁传回来的
9.
The wall of rock gave back loud echoes.
岩壁送回了洪亮的回声。
10.
Voice Offstage: A Book of Memoirs
台下的回声：回忆录
11.
like or characteristic of an echo.
像回声一样，有回声的特征。
12.
To be repeated by or as if by an echo
被回声或类似回声物重复.
13.
A sharp, resounding blow.
重击声尖锐且有回声的打击声
14.
To repeat(a sound) by the reflection of sound waves from a surface.
发出回声表面反射声波而重复的声音
15.
The echo mocks her origin to prove she is the original.
回声嘲笑她的原声，以证明她是原声。
16.
thing thrown back,esp a sound;echo
被弹回的或反弹的事物;（尤指）回响,回声.
17.
Acoustic imaging changed in tumors were 13 cases with persistent hyper- e-choic, medium echo in 7 cases, hypo - echoic in 1 case and 2 cases with mixed echoes.
瘤体声像图动态变化:维持高回声的13例,中回声7例,低回声1例,混合回声2例。
18.
Single-beam echo sounding measurements
单波束回声测深数据