基準面
拼音：jī zhǔn miàn英文解釋：
datum plane【計】 reference surface
相關詞條：
1.locatingsurface 2.referenceplane 3.niveausurface 4.datumface 5.baselevel 6.datumlevel 7.baseplane 8.datum 9.baselevel 10.referencearea 11.referencesurface 12.baseface中英例句：
- 與水平面或者基準面成直角。at right angles to the plane of the horizon or a base line.
- 接近侵蝕基準面的Approaching the base level of erosion.
- 與水平面或者基準面成直角。at right angles to the plane of the horizon or a base line