管かん理り区く域いき

noun

controlled access area; restricted area

A location where entry or access is regulated, often for security, safety, or administrative reasons. Used in official or technical contexts.

• このフロアは管かん理り区く域いきですので、許きょ可かのない方かたは立たち入いり禁きん止しです。

  This floor is a restricted area, so unauthorized persons are not allowed to enter.

• 管かん理り区く域いきに入はいるには、事じ前ぜんに申しん請せいが必ひつ要ようです。

  To enter the controlled access area, you need to apply in advance.