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本标准规范以固定标号Ａ３２０／Ａ３２０Ｍ发布。紧接标号的数字表示首版批准的年份；如为修订版，则表示最近修订的年份。括号内的数字表示最近重新核准的年份。在上角的标注表示最近重新修订或重新核准所作的编辑上的变化。本标准规范为国防部有关机构采用，并列入国防部（ＤＯＤ）规范与标准索引．
This standard specification is fixed with A320 / A320M. The number immediately following the label indicates the year of the first edition approval; in the case of a revision, the year most recently revised. The numbers in parentheses indicate the year of recent recertification. Annotations at the top corner indicate the editorial changes made during the recent revisions or re-approvals. This standard specification for the Department of Defense agencies involved, and included in the Department of Defense (DOD) norms and standards index.