短語詞組短語demarcation point detection 分界點檢測random demarcation point 隨機分界點economical demarcation point 經(jīng)濟分界點demarcation point DP 分界點unstable demarcation point 彎曲失穩(wěn)分界點point demarcation 點位標定two -point demarcation 兩點定標Waistline point of demarcation 腰線點的標定Point of Demarcation 分界點;劃分點 返回 demarcation point