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沪宁线是我国第一条既有线进行列车提速的铁路。为了解提速对机车乘务员心理、生理状况的影响，采用动态心电记录ＨＲＶ分析、闪光融合频率、运动反应时间、注意品质测试、工作负载和心境的自我评定、疲劳主观感觉量表等进行现场测试、分析。结果表明，提速后乘务员精神紧张性、疲劳程度有所增加，但与普速车比较，变化尚不显著，但疲劳蓄积现象需引起重视。目前心功能影响不大
Shanghai-Nanjing line is the first railway line in China to speed up the train. In order to understand the impact of speeding on the psychological and physiological conditions of locomotive flight attendants, field tests were performed by using dynamic electrocardiographic HRV analysis, flash fusion frequency, exercise response time, attention quality test, self-assessment of workload and mood, fatigue subjective feeling scale ,analysis. The results show that after the speed increase flight attendants mental stress and fatigue have increased, but compared with the speeding car, the change is not significant, but the phenomenon of fatigue accumulation needs attention. At present, little effect on cardiac function