three-stage

The water goes through three stages of purification.

这水经过 3 个步骤的净化。

On the psychological basis of cognitive therapy theory,identity theory,and narrative theory,bibliotherapy goes through at least three stages: identification,catharsis,insight.

阅读治疗以认知治疗、认和叙事为其心学基础。阅读治疗至少经历认、宣泄、领悟三个阶段。

The former three stages reflect the major process of eclogite facies metamorphism and the latest stages the light overprinting of greenschist facies retrometamorphism at the shallow level of crust.

前三个阶段映了榴辉岩变质作用的主要过程。后一阶段，映了榴辉岩在地壳浅部层次绿片岩下遭受轻微的叠加改造。

100 meters races divide into three stages: The acceleration period (until 50-60 meters), the highest speed runs the stage (50 meters to 70 or 80 meters) and the deboost phase.

100米赛跑分为三个阶段：加速阶段（直到50—60米）、最高速奔跑阶段（50米至70或80米）和减速阶段。