您要查找的是不是：
- p-n 结p-n junction
- N/PN/P
- p-n结p-n junction
- N／PN/P
- N、PN and P
- N-P系N-P series
- 双n/p比double n/p ratio
- N-P准则N-P rule
- C、N、PC
- 植物N/Pplant N/P
- N／P值N/P ratio
- P-N结温P-N junction temperature
- N、P含量contents of N and P
- P-S-N曲线P-S-N curve
- p-i-n结构p-i-n structure
- N、P废水nitrogen and phosphor wastewater
- p-n异质结p-n heterjunction
- 分子p-n结pn-junction characteristic
- N、P动态N and P dynamics
- N、P缺乏N/P shortage
