基准面

• Root apex to back
  根锥顶至安装基准面距离
• Hydrgraphic datum note
  水文基准面注记
• Yellow sea datum : the level to which land surveys in mainland china are referenced
  黄海基准面：中国大陆测量土地的基础高度。
• Above chart datum
  海图基准面以上
• Transfer of datum
  基准面的换算
• Coal - accumulation of lower member of shanxi formation in northeastern ordos basin
  鄂尔多斯盆地东北部山西组下段基准面旋回与聚煤作用
• Discussion about base - level changes in the analysis of high - resolution sequence stratigraphy
  高分辨率层序地层分析中基准面变化的讨论
• Sedimentary dynamic analysis of sequence structure and stacking pattern of base level cycle
  基准面旋回结构与叠加样式的沉积动力学分析
• There should be reference planes for plane work - pieces . file the flash if there is any
  平面工件要有基准面。如有飞刺突起要剔、锉削平。