序 xuˋ
(Forward, Introduction, Notes, Order, Ordinal, Preface, Prelude, Procedure, Process, Prologue, Rank, Sequence, Series)
Rank, Order, Procedure, Process, Ordinal number, Series, Sequence, Preface, Prelude, Prologue, Forward, Introduction, Notes
序
主序星
zhuˇ xuˋ xing ˉ
(Main, Mature)
Main sequence star, Mature phase normal (dwarf) star that fuses hydrogen in its core, known as the main sequence (the diagonal from the upper left to the lower right) on the Hertzsprung-Russell Diagram
Cat: Astronomy (Main sequence star) Next
主, 序, 星