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Juche (North Korean political ideology); self-reliance
Juche (North Korean calendar)
「主体」 has another reading with different meanings.
学生が主体となって企画を進めている。
Students are taking the lead in advancing the project.
主体性を持って行動することが大切だ。
It's important to act with initiative.
この事業の主体は地方自治体です。
The main body of this project is the local government.