| 单词 | Hertzsprung-Russell diagram |
| 释义 | Hertzsprung-Russell diagram /hûrtˈsprŭng-rusˈl dīˈə-gram/ (astronomy)nounA graphical representation of the correlation between spectral type and luminosity for a sample of stars ORIGIN: E Hertzsprung (1873–1967), Danish astronomer, and H Norris Russell (1877–1957), American astronomer |
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