中国高速列车研发与展望
1)
丁叁叁, 陈大伟, 刘加利
RESEARCH, DEVELOPMENT AND PROSPECT OF CHINA HIGH-SPEED TRAIN
1)
Ding Sansan, Chen Dawei, Liu Jiali
图17
车外噪声与速度的关系
Fig.17
Exterior noise and its relationship with speed