A complete MK designation includes both spectral type and luminosity class -for instance, the sun is a G2V.

一个完整的MK系统代号包含光谱类型和光度型两部分——例如，太阳属于G 2 V类恒星。

The appearance of the different spectral type for white dwarfs depends mainly on the difference in temperature and internal mixing degree.

白矮星不同光谱型的表现，主要是由于温度的不同和内部混搅程度的不同引起的。

The hertzsprung - russell diagram serves this purpose . it is a plot of absolute magnitude against surface temperature i . e . , spectral type of stars.

简单来说，赫罗图把大量恒星的绝对星等和表面温度或谱型关系以图表方式显示出来。

As each historical figure or a certain type of person has an approximate spectral type, like sing, play music to the music, so called "types of facial makeup in operas".

由于每个历史人物或某一种类型的人物都有一种大概的谱式，就像唱歌、奏乐都要按照乐谱一样，所以称为“脸谱”。

CFBDSIR J1458 + 1013b May be the first evidence of a new type of brown dwarf, called a "y spectral" object, that more closely resembles a planet than any other type of brown dwarf.

CFBDSIR J 1458 + 1013 B可能是新型棕矮星的第一个证据，这种新型棕矮星被称为“Y谱”物，它们比其他任何一种棕矮星更像行星。