over alertness 中文意思是什麼
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Perclos is the percentage of eyelid closure over the pupil over time and reflects slow eyelid closures ( " droops " ) rather than blinks. fwha and nhtsa consider perclos to be among the most promising known real - time measures of alertness for in - vehicle drowsiness - detection systems. in order to detecting and evaluating driver fatigue, the definition of motor driver fatigue must be given
重點研究了眼睛及其疲勞機理，借鑒美國聯邦公路管理局fhwa （ federalhighwayadministration ）有關研究駕駛疲勞方面的研究文獻，討論了perclos和其他眼睛活動測量方法的有效性，確認測量機動車駕駛疲勞最好的方法是perclos （單位時間內眼睛閉合時間所佔的百分率） 。 -
Cognitive aspect : over - alertness hypersensitivity, confusion, difficulty in objective thinking and in concentrating
思想方面：過度警覺和敏感思想混亂不能保持客觀難以集中精神。
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