noun
administrative organization; administrative system; administrative structure
Refers to the overall framework or body of government administration, including its institutions and hierarchy.
政府は行政機構の簡素化を進めている。
The government is promoting the simplification of the administrative structure.
新しい行政機構が来月から発足する。
The new administrative organization will be launched next month.
行政機関 refers to a specific administrative organ or agency, while 行政機構 refers to the overall system or structure of administration.
Compound of 行政 (administration) and 機構 (mechanism, organization).