noun
double-entry; dual system
Primarily used in accounting (複式簿記) and occasionally in other fields to describe a system with two components or methods.
複式簿記は、取引を借方と貸方の両方に記録する。
Double-entry bookkeeping records transactions on both the debit and credit sides.
この学校では複式学級を採用している。
This school uses a combined class system (multi-grade class).