Many people in industry and the Services, who have practical experience of noise,regard any investigation of this question as a waste of time;
在工業(yè)部門(mén)工作和在軍隊(duì)中服役的許多人對(duì)噪音有切身的體會(huì),他們認(rèn)為對(duì)這個(gè)問(wèn)題進(jìn)行調(diào)查是浪費(fèi)時(shí)間,