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0 前言 本国际标准规定了在人们欲察觉信号并作出反应的区域内,用于察觉险情视觉信号的准则。1 范围 本国际标准规定了险情视觉信号的安全
0 Preface This International Standard sets out the criteria for detecting visual signals of danger in areas where people are aware of and respond to signals. 1 Scope This International Standard specifies the safety of dangerous visual signals