英语释义
1. a phase that is a part of a longer phase
The task-centered model of helping is usually broken into three phases…. Each phase has distinct subphases or tasks to be accomplished.
— Carol L. Langer and Cynthia Lietz The ceramic sequence now consists of five phases, spanning the period AD 900-1650 …. All but the last of these phases have been further subdivided into early and late subphases, each about 75-100 years long.
— Vernon J. Knight and Vincas P. Steponaitis