单极-单极变换曲线
pole-pole transformed curve
单极(PN极)特性测试结构
Test constucture of single-polar characterise
单极单投
single -pole single -throw
Single-throw
Single-pole
单极单投开关
single-pole single throw switch
单极接地故障
monopolar grounding fault
5-HT3接受器拮抗剂
5-HT3 receptor antagonist