stage 级，步，阶段 step 步 长 ；阶段；阶梯；阶跃
理论计算机科学 佩特里网 释文 step 步
- semen preservation
- semen preservation at normal temperature
- semen quality of domestic fowl
- SEMF
- SEMG
- semi
- semi-
- semi-Abelian category
- semi-Abelian p-group
- semi-absolute invariant
- semi-active control
- semi-active homing guidance
- semi-additive
- semi-additive category
- semi-additive function
- semi-additivity
- semi-aerobic landfill
- semialgebra
- semialgebraic set
- semiample sheaf
- semi-amplitude
- semi-analytic
- semi-analytical galaxy formation
- semi-analytical model
- semi-analytical models for galaxy formation