| 释义 |
〔flutter〕Rapid fluctuation in the pitch of a sound reproduction resulting from variations in the speed of the recording or reproducing equipment.干扰声:在声音被重播时由于声速的变化而使磁带中重播器产生快速震颤而失真〔sonic〕Having a speed approaching or being that of sound in air, about 1,220 kilometers (760 miles) per hour at sea level.声速的:拥有与空气中声音接近或相同速度的,即在海平面高度为每小时1,220公里(760英里)〔subsonic〕Having a speed less than that of sound in a designated medium.亚声速的:在一特定媒质中具有小于声速的速度的〔supersonic〕Having, caused by, or relating to a speed greater than the speed of sound in a given medium, especially air.超音速的:在一定的媒介(尤指空气)中大于声速的,由超音速引起的或与之有关的 |