Main Sequence Star [天] 主序星
pre-main sequence star [天] 主序前星 ; 前主序星
initial main sequence star 初始主序星
zero age main-sequence star 零龄主序
post-main sequence star [天] 主序后星
post-main-sequence e star 主序后星
weak-star sequence generator 弱星序列生成子
When the Sun first became a main sequence star, it radiated only 70% of the current luminosity.
当太阳首次成为主序星，它的辐射只有当前光度的70％。
A star during most of its life is a main-sequence star, which consists of a core, radiative and convective zones, a photosphere, a chromosphere and a corona.
一颗恒星其生命的绝大部分处于主序星阶段，在这一阶段它包含一个核心、辐射区和对流区、光球层、色球层和日冕。
The greater the mass of such a star, the more quickly it will use its hydrogen fuel and the shorter it stays on the main sequence.
恒星的质量越大，它消耗氢燃料的速度也就越快，它在主序中停留的时间也就越短。
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