变电极极谱仪
two-electrode polarograph
单极（PN极）特性测试结构
Test constucture of single-polar characterise
动电位阳极极化
Potentiodynamic anodic polarization
多极少槽永磁同步电动机
PMSM with multiple poles and few slots
反磁控型冷阴极极高真空电离规
inverted magnetron cold cathode XHV ionization gauge
恒电位阳极极化
Potentiostatically anodic polarization
环形阳极极化曲线
circular anodic polarization curves