弹性阶段弯曲理论
Flexure Theory at Elastic Stage
国防部高阶研究计划署
Administrative Functions of township governor
DARPA
急性和慢性阶段
acute and chronic stages
acute and chronic infection stages
阶段性
Stage
phases
the Stage
stages
Phase
the Phased
phase characteristics
stage characteristic
Phases identity
Stage by stage characteristics
In different periods
developmental stage
Three stages
episodes
Gradualness
periodically
Gradual