图1:出处在图中
图2:出自Mayo Clinic网站O网页链接
图3:出自LBourouiba et al, Violent expiratory events: on coughing and sneezing.Journal of Fluid Mechanics, volume 74525 April 2014 , pp. 537-563
图4:出自BEScharfman et al, Visualization of sneeze ejecta: steps of fluidfragmentation leading to respiratory droplets. Experiments in Fluidsvolume 57, Article number: 24 (2016)
图5/6/7/8出自油管视频O网页链接
图9出自O网页链接