polarite铋铅钯矿polaradj.两极的；对立的n.极线；极性polarographic oxygen monitor极谱式氧气监控器polar candle-power diagram按向分布图polaried electromagnetic wave[电] 极化电磁波polar optical mode scattering极性光学模式散射Polar molecular surface areas分子极性表面积polarographic oxygen analyzer极谱氧分析仪polar direct-current system极化直流制polar coordinate manipulative极坐标式机械手Polar and non-polar columns极性柱和非极性柱Polarographic adsorptive wave极谱吸附波