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次声是污染环境的重要生产因素之一(也是外军研究的次声武器的杀伤因素——摘者注)。但是,目前采用的防制次声的技术措施效果差。根据现代概念,声压强为90～110dB次声的长期作用是一强烈的应激
Infrasound is one of the most important production factors that pollute the environment (also the killer factor of infrasound weapons for foreign military research). However, the technical measures adopted to prevent infrasound are not effective at the moment. According to the modern concept, the long-term effect of infrasound sound pressure of 90 ~ 110dB infrasound is a strong stress