echo(ed) signal

• 回波信号

英英释义

名词 echo:

1. the repetition of a sound resulting from reflection of the sound waves

2. (Greek mythology) a nymph who was spurned by Narcissus and pined away until only her voice remained

3. a reply that repeats what has just been said

4. a reflected television or radio or radar beam

5. a close parallel of a feeling, idea, style, etc.

6. an imitation or repetition

动词 echo:

1. to say again or imitate

2. ring or echo with sound

3. call to mind