1) time-like congruence
类时线汇
1.
In this paper, we study some properties about rectilinear congruences, especially about time-like congruences in a Minkowski 3-space.
本文研究了三维Minkowski空间中直线汇的一些性质,特别是关于类时线汇的性质。
2) Spacelike congruence
类空线汇
3) class of a congruence
线汇的类
4) lightlike rectilinear congruence
类光线汇
1.
According to the type of light, we can divide rectilinear congruence into three types: timelike rectilinear congruence, spacelike rectilinear congruence and lightlike rectilinear congruence.
根据线汇中光线的类型,将线汇分成类时线汇、类空线汇和类光线汇三种。
5) timelike curve
类时曲线
1.
The rotation of a vector field in timelike curve in curved spacetime is discussed in detail.
详细讨论了弯曲时空中类时曲线上矢量场的转动，以弥补有关专著的不足。
2.
In this paper,we considered the problem of the timelike curve in R_2~4 .
在这篇文章中,我们考虑的是R_2~4空间中类时曲线的问题。
6) time-like curve
类时曲线
1.
The theorem of finite covering of time-like curve is given.
利用双曲复平面上M inkowsk i圆的性质,引入双曲复平面上类时邻域(类空邻域,类光邻域)的概念,讨论了类时邻域的性质,得到类时曲线的有限覆盖定理。
补充资料：汇类
1.谓汇总其类。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条