左ひだり手て座ざ標ひょう系けいひだりてざひょうけいMeanings1nounleft-handed coordinate systemcomputing›Technical term in computing and mathematics for a coordinate system where the orientation follows the left-hand rule.ダイレクトスリーディーでは左ひだり手て座ざ標ひょう系けいが使つかわ