极距角的英文

• polar angle

• 极:    I the utmost point; extreme
• 距:    distance
• 角:    role; part; character
• 极距:    anode-cathode distance; anode-cathode separation; codeclination; distance between electrodes; electrode distance; interpolar gap; polar distance; polar pitch; polar plot; pole clearance; pole pitch; pole spacing; pole span; pole-pitch
• 距角:    angular elongation; elongation