noun
dual system
A system that combines two different components, such as a vocational training model that alternates between school and workplace, or a technical setup with two parallel subsystems.
ドイツのデュアルシステムは、企業と学校が連携して若者を育成する仕組みです。
Germany's dual system is a framework where companies and schools cooperate to train young people.
Variant with a middle dot, sometimes used in formal or technical writing.
Borrowed from English 'dual system'.