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1985年秋天,东海道、山阳新干线更新换代的100系电动车正式投入运营。100系电动列车的8号餐车和9号软席车是双层的。国铁首次采用双层座席,它的舒适度问题令人担心。1985年末,国铁劳动科学研究有很大差别,在横向振动方面,双层的9号车要比10号车小。生理调查方面,眼睛的偏位和心搏数,9号车虽然大得多,但仍稳定在基准值以下。在感觉评价方面,9、10号
The fall of 1985, Tokaido, Sanyo Shinkansen replacement 100 Series electric car officially put into operation. The No. 8 electric train and the No. 9 soft car of the 100 Series electric train are double-decked. For the first time, the country’s railways use a double-deck seat, which is worrying about its comfort. At the end of 1985, there was a big difference in the labor science research of the National Railways. In terms of lateral vibration, the No. 9 car with two floors was smaller than the No.10 car. Physiological survey, eye deviation and heart rate, 9 car, although much larger, but still stable below the reference value. In feeling evaluation, 9,10