polex肛上板polen.杆；柱；极点v.(用杆)支撑Pole.n.波兰人pole-control focus lamp杆控聚光灯pole amplitude modulation极幅调制pole-zero configuration极-零结构Pole-axis system theory“点-轴系统”理论pole - placement method极点配置法Pole of a switching device开关电器的极pole-type pruning shears高枝切剪pole type public telephone杆式公用电话pole-splitting technique极点分离法pole-placement algorithm极点配置法