Terms containing false echo

Subject	English	Chinese
met.	false echo	假回波信号
oil	false echo	假回声
oil	false echo	假回波
nurs.	false echo	伪回声
mil., air.def.	false echo device	伪假回波设备装置
met.	false echo return	假回声
met.	false echo return	假回波
tech.	multiple false echo	多次反射回波