乘坐汽车时,车身剧烈地震动,这种震动如果长时间地作用于人体,会使脑部血管强烈地痉挛而收缩,产生头痛、目眩、恶心、耳鸣等症状。而此时人们如果是清醒的,大脑就处于兴奋状态,加上不断地接收窗外景物刺激,血液循环速度就会加快,震动所受到的影响就不会太大,头痛、目眩、恶心、 When riding a car, the body vibrates violently. If such a vibration acts on the human body for a long period of time, the blood vessels of the brain may contract strongly and vomit and cause headache, dizziness, nausea and tinnitus. At this time, if people are awake, the brain is in an excited state, coupled with continuous reception window to stimulate the scenery, blood circulation will speed up the impact of vibration will not be too much headache, dizziness, nausea,