1) asymptotic curvature
渐近曲率
2) quadratically nonnegatively curved infinity
渐近非负曲率
1.
By Buseman function,the author discusses the geometry and topology of a complete manifolds with quadratically nonnegatively curved infinity.
讨论了具二次渐近非负曲率完备非紧黎曼流形上的Busemann函数所隐含的几何拓扑性
3) asymptotic curve
渐近曲线
1.
This paper discussed some other characteristics of asymptotic curve through careful analysis, such as the characteristics of asymptotic curve on the surface of translation, the parallel surface and other surface and draw a conclusion that normal line surface of the asympt.
三维欧氏空间中的渐近曲线是局部微分几何中的一种重要的曲线 ,它有许多重要的性质和应用 ,这些在一般的教科书上都有介绍。
2.
In Minkowski space R~(3,1) by employing the method of moving frames to describe construcions and to make local calculations,the equations about asymptotic direction and asymptotic curve of spacelike surface are obtained,and some corresponding results obtained before are extended and improved.
考虑Minkowski空间R3,1中类空曲面的渐近方向与渐近曲线,采用活动标架的方法进行局部计算和整体结构的刻画,得到了渐近方向与渐近曲线的一般方程,推广并改进了已有的结果,并通过具体例子加以阐述。
3.
In this paper,we discuss parallel surfaces of a surface and obtain the sufficient and necessary condition for geodesic (asymptotic curve) of the surface whose corresponding curve is geodesic(asymptotic one) of the parallel surface.
给出平行曲面上对应曲线同时为测地线( 渐近曲线) 的一个充要条件。
4) asymptotic surface
渐近曲面
5) asymptotic efficiency
渐近效率
1.
Improvement on Asymptotic Efficiency of QMLE for SDPD Model
空间动态面板模型拟极大似然估计的渐近效率改进
6) asymptotic growth rate
渐近增长率
补充资料:渐近公式
渐近公式
asymptotic formula
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参考词条