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赫罗图上大多数恒星密集在由左上方(高温、强光度)至右下方(低温、弱光度)、沿稍微弯曲的对角线的狭窄带区内,形成一个明显的序列。又称主序。
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fishing box tap
fishing by hook and line
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fishing foil of Gin nationality
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fishing ground in the bank of reef
fishing ground in the current boundary
fishing ground in the East China Sea
fishing ground in the eddy area
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