论文部分内容阅读
我们生活在一个多姿多彩的有声世界里,声现象和我们的生活息息相关.声是人们获取信息的重要途径之一.声在生活和生产中有着广泛的应用,声既可以传递信息,也可以传递能量,所以考试中对声在社会活动、工农业生产、军事、医疗、航空、航海及新技术中的应用的考查逐渐增多,引导同学们关心社会生活、关注人类未来.下面我们就结合具体的例题来一起学习声的应用.声与信息声波能够传递信息是指通过人耳或仪器接收到声信号后,可以知道一些事情.现实生活中对声传递
We live in a colorful world of sound, sound phenomena and our lives are closely related to the sound is one of the important ways people access to information.Sound has a wide range of applications in life and production, the sound can both transmit information, you can Therefore, examinations on the application of sound in social activities, industrial and agricultural production, military, medical, aviation, navigation and new technologies are gradually increasing, guiding students to care about social life and paying attention to the future of mankind. Examples to learn the application of sound.Sound and informationAble to transmit information is through the human ear or instrument to receive the sound signal, you can know some things in real life on the sound transfer