短語詞組短語Biphase Mark Code 雙相符號(hào)編碼biphase data code 雙相資料碼biphase level code 雙相電平碼condition biphase code 條件二相碼differential biphase code 差分雙相碼absolute biphase code 絕對雙相碼 返回 biphase code