笛卡尔直角坐标 díkǎ'ěrzhíjiǎozuòbiāo Cartesian coordinates Definitions Defs Origin Strokes Stroke Words Sentences Sents 笛 dí phonetic 卡 kǎ phonetic 尔 ěr phonetic 直角坐标 直角座標 zhíjiǎozuòbiāo rectangular coordinates rectangular coordinates; Cartesian coordinates