文部科学省検定済教科書
もんぶかがくしょうけんていずみきょうかしょ
textbook approved by the Ministry of Education, Culture, Sports, Science and Technology
検定済み is read as けんていずみ (kenteizumi) and means authorized.
けんていずみ
kenteizumi
もんぶかがくしょうけんていずみきょうかしょ
textbook approved by the Ministry of Education, Culture, Sports, Science and Technology