为了解放客列车车厢内噪声污染的状况和为保护乘务员、旅客的身体健康,以及为制定旅客列车噪声标准提供条件,特于1983年8月对我局吉京、吉长、吉白等旅客列车的硬座、软座(臥)、硬臥、餐车车厢噪声进行了监测,共获得3812个数据。现整理报道如下: 一、仪器和方法 1.仪器:ND_2型精密声级计。 In order to relieve the noise pollution inside the train compartment and to provide protection to the flight attendants and passengers as well as to set standards for the noise standards of passenger trains, special passenger trains such as Jichang, Jichang and Jibai were opened in August 1983 Of the hard seat, soft seat (lying), hard sleeper, dining car compartment noise were monitored, a total of 3812 data was obtained. Are finishing reports are as follows: First, instruments and methods 1. Instruments: ND_2-type precision sound level meter.