| 释义 |
音障yīnzhàng高速飞行的物体(如飞机、火箭)速度增加到接近音速时,物体前方的空气因来不及散开而受到压缩,密度、温度突然增加,阻碍该物体向前飞行,这种现象叫做音障。{sound (or sonic) barrier; sudden large increase in the density and temperature of the compressed air in front of a high-speed flying object (e.g. aircraft or rocket) that occurs as the speed of the flying object approaches the speed of sound and retards the object's forward flight} |