把包折叠起来时,其底部与一边就重合了。
其中与平均海平面重合的面就是大地水准面。
Which coincide with the mean sea level surface is the geoid.
对称中心必须与质量中心重合。
能谱测量的低值区范围与已知油田在本区的面积重合率达75%。
The low value range of Y-ray spectrometry covers 75% of the area of known oil field.
能谱测量的低值区范围与已知油田在本区的面积重合率达75%。
The low value range of Y-ray spectrometry covers 75% of the area of known oil field.
应用推荐