声学研究 meaning in English

acoustic investigation

J.r. frederick has carried on investigations in acoustic emission for several years .
JR佛莱德里克从事声学研究已历多年。
Arc acoustic research centre
声学研究中心
J . r . frederick has carried on investigations in acoustic emission for several years
J r佛莱德里克从事声学研究已历多年。
It has invested rm 20 million in a new research and development centre featuring 15 test laboratories , which include two acoustic research laboratories
该公司经投下2千万零吉于设立一所备有15间试验室包括两间声学研究实验室的新研究与开发中心。
Know the various hazardous weather systems by their infra - sonic properties will help understand their behaviour and make better forecast . this has recently become an important topic in the study of infra - sonics
认识并利用次声方法来预测各类危险天气的活动规律，成为近代次声学研究的重要课题。