混凝土架构设计理论的实质，是通过架浆比、单位用水量以及砂灰比偏离三个参数推求单位水泥用量的过程。
The essence of concrete framework theory is to deduce the cement dosage of unit volume concrete from frame-mortar ratio, unit water dosage and deviated function of cement-sand ratio.
得到了欧氏空间中，单位球面上坐标函数关于某一特定标架场的协变微分的两个等式。
We obtain two formulas about the covariant derivative of the coordinate functions on the unit sphere in Eucdidean space.
摘要以旋转椭球体面上某点为原点建立一个大地坐标单位活动坐标架。
In this paper, unit moving trihedron is first constructed for a point on the surface of a revolution ellipsoid.
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