英语翻译Ifyouliveinalargecity,youarequitefamiliarwithsomeoftheproblemsofnoise,but,beauseofsomeofitsharmfuleffects,youmaynotbeawareoftheextentofitsinfluenceonhumanbehavior.Inrecentyearstherehasbeenagreatd

　　英语翻译

　　Ifyouliveinalargecity,youarequitefamiliarwithsomeoftheproblemsofnoise,but,beauseofsomeofitsharmfuleffects,youmaynotbeawareoftheextentofitsinfluenceonhumanbehavior.Inrecentyearstherehasbeenagreatdealofinterestintheeffectsofnoiseonhumanbehavior,andconceptssuchas"noisepollution"havearisen.Exposuretoloudnoisescandefinitelyproduceapartialorcompletelossofhearing,dependingontheintensity,duration,andfrequencycompositionofthenoise.manyjobspresentnoisehazards,suchasworkinginfactoriesandaroundjetaircraft,drivingfarmtractors,andworking(orsitting)inmusichallswhererockbandsareplaying.Ingeneral,continuousexposuretosoundsofover80decibelscanbeconsidereddangerous.Ifexposureisforasufficientperiodoftime,itmayproducesignificanthearingloss.Noisecanhaveunexpectedharmfuleffectsonperformanceofcertainkindsoftasks,forinstance,ifoneisperformingawatchkeepingwaskthatrequiresvigilance,inwhichheisresponsiblefordetectingweaksignalsofsomekind.Communicatingwithotherpeopleosunfavorablyaffectedbynoise.Ifyouhaveriddenintherearofajettransport,youmayhavenoticedthatitwasdifficulttocarryanaconversationatfirst,andthat,eventually,youadjustedtheloudnessofyourspeechtocompensatefortheeffect.Theproblemisnoise.