phasic
/ˈfeɪzɪk/adjective
1- of or relating to a phase or phases阶段的; 时期的; 相的。
1.1
- chiefly Physiology characterized by occurrence in phases rather than continuously【主生理】期的, 分阶段的：
phasic and tonic stretch reflexes.
阶段性紧张肌伸张反射。