n. 时期, 局面, 方面, 位相, 相, 阶段

vt. 使调整相位, 使定相, 使一致, 逐步执行, 实行

[计] 阶段

n. any distinct time period in a sequence of events

n. (physical chemistry) a distinct state of matter in a system; matter that is identical in chemical composition and physical state and separated from other material by the phase boundary

n. a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle

n. (astronomy) the particular appearance of a body's state of illumination (especially one of the recurring shapes of the part of Earth's moon that is illuminated by the sun)