더 큰 전체 시스템 내부에서 특정한 기능을 수행하는 독립적인 하위 체계.
A self-contained system that is part of a larger, more complex system.
예문:
"The mission failed because the communication subsystem was unable to transmit data."
"Each subsystem of the climate model represents a different environmental factor."
"The technician is responsible for maintaining the hydraulic subsystem of the aircraft."