train longitudinal impact 列车纵向冲击
train's longitudinal impact 列车冲动
longitudinal impact property 纵向冲击性能
Aim to study the threshold value, mechanism and influence factors of thoracolumbar injury under longitudinal impact.
目的研究纵向撞击下胸腰椎的损伤阈值及其影响因素。
A new method of signal detection and processing is put forward aiming at solving the problem of detection and analysis of the longitudinal impact of trains.
针对列车纵向冲击问题，提出了信号采集与处理方案，设计了一套随车采集和分析系统。
This study analyses the impact of employment status on depression based on longitudinal community sample study in North-western china.
本研究通过对兰州、白银、西宁三城市社区两次随访的纵向分析，以期发现在中国背景下就业状况对抑郁的影响。
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