无极性的
nonplanar microstrip antenna
无极性固体钽电解电容器
non-polarity solid tantalum electrolytic capacitor
半无限极性晶体
polyatomic polar crystals
极大线性无关组
maximal linearly independent group
Maximal linear independent group
无功极性
polarity of reactive power
病毒抗性无性系
pathotoxin resistant clone