顺便提一句，新地平线，四年前的一个星期二发射，预计2014年到达冥王星。
New Horizons, by the by, launched four years ago this past Tuesday, and is slated to arrive at Pluto in 2014.
“黎明号”于2007年发射升空，是首个探测小行星带两颗最大天体灶神星和谷神星的飞行器。
Launched in 2007, Dawn is the first mission to explore Vesta and Ceres, the two largest members of the asteroid belt.
给出了态射集中的加权星序和态射的加权广义逆之间的一些关系。
So me relationships between the weighted star ordering and the weighted generalized inverses of morphisms are given.
落到致密星上的动能只是简单地加热了星的表面，并以黑体辅射的形式再发射出去。
The kinetic energy falling onto the compact star simply heats the surface and is re-radiated as black-body radiation.
引进范畴上态射集中的加权星序。
The weighted star ordering in morphism set over a category is introduced.
加权减序和加权星序都是态射集中的新的偏序。
The weighted minus ordering and the weighted star ordering are both new partial ordering in morphism set.
利用态射的加权广义逆，引进并讨论态射集中的加权减序和加权星序。
By using the weighted generalized inverses of morphisms, the weighted minus ordering and the weighted star ordering of morphism set in a category are introduced and discussed.
利用态射的加权广义逆，引进并讨论态射集中的加权减序和加权星序。
The weighted star ordering in morphism set over a category is introduced.
利用态射的加权广义逆，引进并讨论态射集中的加权减序和加权星序。
The weighted star ordering in morphism set over a category is introduced.
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