極座標系 Save Sign in to save words Simplified: 极坐标系 jízuòbiāoxì ㄐㄧˊ ㄗㄨㄛˋ ㄅㄧㄠ ㄒㄧˋ polar coordinate system math. Character by character 極(jí)extremely 座(zuò)seat 標(biāo)mark 系(xì)connect A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0