数据: data; record; information已知数: known number; datum基准点: reference point; datum point已知数基准点: datum已知数据: given data; given date已知数: data; known number; prescribed value基准面搜寻基点已知数: datum【数学】已知数。: known number非已知数: undetermined value水准点；基准点: benchmarkt基准点: t t reference point基准点: benchmark; bm bench mark; data point; datum mark; datum point; directing point; fiducial mark; fiducial point; fundamental point; point of reference; reference center; reference mark; reference point; referencepoint; referring point; rp; stencil, fiducials; zero reference已知的未知数: known unknowns个数基准: count basis感知数据: perception data安装基准点: base point of installation installation datum mark参考点，基准点: point of reference乘坐基准点: seating reference point传输基准点: transmission reference point大地基准点: geodesic datum; geodetic datum地方基准点: local datum洞内基准点: point rod耳机基准点: reference point of earphone高基准点: high reference point固定基准点: fixed datum
