生命之书

This is not a commonly used acronym like WTO or UN. If you really want to know the meaning of a certain word,don't forget to put it in the context,will you?

缩写是英文里常用的喜丧是什么意思。你是指哪方面的ASDO?

ASDO Assistant Staff Duty Officer

ASDO Assistant Squadron Duty Officer

ASDO Air Service Department Office