For example, if this was the unit sphere then I would just put x, y, z.
例如，对于一个单位球面，仅用x,y,z计算就可以。
We obtain two formulas about the covariant derivative of the coordinate functions on the unit sphere in Eucdidean space.
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。
Moebius second fundamental form is important Moebills invariable on the unit sphere of submanifolds, in this paper, we classify the surface in s ~ 3 with semi-parallel Moebius second fundamental form.
Moebius第二基本形式是单位球面上子流形的重要的Moebius不变量，本文给出了S3中具有半平行Moebius第二基本形式的曲面的分类。
There are relevant state regulations on management of fixed assets. However, the method of management in each unit varies according to its size and sphere of business.
固定资产管理，在制度方面有国家的相关规定，但管理方法各单位根据自己的规模、业务范围不同又各有特色。
In a lossless unit, any change from a polarization state to another polarization state is pointed out to be corresponded to a rotation of Poincare sphere relative to the diameter.
指出在一个无损耗单元内，从一个偏振态到另一个偏振态的任何变化，都对应着庞加莱球相对于直径的一个旋转。
In the present paper, we mainly study the codimension reduction problems for submanifolds with parallel unit mean curvature vector in a sphere.
本文将着重研究更为一般的具有平行单位平均曲率向量子流形的有关几何问题。
In the present paper, we mainly study the codimension reduction problems for submanifolds with parallel unit mean curvature vector in a sphere.
本文将着重研究更为一般的具有平行单位平均曲率向量子流形的有关几何问题。
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