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为了探讨列车在运行过程中噪声特点及其变化规律,为开展列车噪声防治和制定卫生标准提供科学依据,我们于1980年8月初对徐州至青岛的205/206次直快列车进行了初步凋查测定。
In order to investigate the characteristics and variation of noise during the operation of train, to provide a scientific basis for prevention and control of train noise and establishment of hygiene standards, we conducted a preliminary investigation of 205/206 direct-fire trains from Xuzhou to Qingdao in early August 1980 .