理论计算机科学 可计算性与计算复杂性 释文 non-deterministic polynomial time complexity class, NP 非确定性多项式时间复杂性类
- stepped-wedge design
- steppe faunal group of temperate zone in China
- steppe in China
- steppe lemming
- Steppenwolf
- stepper motor
- steppe shrub desertification
- steppe shrubs
- Steppe soil
- stepping lumbus
- stepping motor
- stepping regression
- stepping stone
- stepping test
- step point
- step potential
- step potential difference
- step process
- step profilometer
- step pulley
- step pulse
- step resistance
- step response
- step response method
- step response of excitation control system