| 释义 |
main sequencen.（名词）- A major grouping of stars that forms a relatively narrow band from the upper left to the lower right when plotted according to luminosity and surface temperature on the Hertzsprung-Russell diagram.主序：在赫罗图上按光亮度和表面温度于左上方和右下方形成相对狭窄带的一个主要恒星序列
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