理论计算机科学 形式语言与自动机 释文 context-free grammar, CFG 上下文无关文法
- pneutronic
- pNGB
- PNI
- pnicogen
- pnictide
- p nitrodiphenyl
- p-nitrodiphenyl
- PN junction
- p n junction
- p-n junction
- pn junction
- pn junction barrier
- PN-junction breakdown
- PN junction capacitance
- pn junction capacitance
- pn junction diffusion region
- PN junction diode
- pn junction electro luminescence
- pn junction electro-luminescence
- p n junction laser
- p-n junction laser
- pn junction laser
- PN junction photodiode
- pn junction reverse saturation current
- PN LED