High Sierra was adopted in December 1986 (with changes) as an international standard by Ecma International as ECMA-119 and submitted for fast tracking to the ISO, where it was eventually accepted as ISO 9660:1988.
High Sierra在1986年12月被Ecma国际采用（作了一些改动）而成为了国际标准，即ECMA-119，并提交给国际标准化组织而成为ISO 9660:1988。