短語詞組短語ordinary level of measurement 若變項只屬順序尺度upper level wind measurement 高空風測量Level l measurement 物位測量儀表level ultrasonic measurement 超聲料位測量low level signal measurement 低電平信號測量interval level of measurement 定距計量Ratio level of measurement 定比計量Level of measurement 水平;尺度;層次;尺度Nominal level of measurement 定類計量 返回 level measurement