您要查找的是不是：
- p-n 结 p-n junction
- N/P N/P
- p-n结 p-n junction
- N／P N/P
- N、P N 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、P C
- 植物N/P plant 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
