小时候,父亲带我到城里看电影。走进电影院,见墙壁的四周都凹凸不平,感到不解:“把墙壁弄平整,不是更美观吗?”“如果墙壁是平整的,声音触到墙壁就会直接折射回来,产生回音,影响电影的音响效果。”父亲说。“那把墙壁弄得凹凸不平又有什么作用呢?”我问。“这样一来,声音就会在高低不平的墙壁间来回折射。经 As a child, my father took me to the city to watch movies. Into the cinema, see the walls around the uneven, puzzled: ”The wall is flat, not more beautiful? “ ”If the wall is flat, the sound touches the wall will be directly refracted back, echo , Affecting the sound effects of the movie. “Father said. ”What effect does the wall make uneven?“ I asked. ”In this way, the sound will be reflected in the uneven wall back and forth