| 单词 | UBV photometry |
| 释义 | UBV photometry [¦yü´bē¦vē fǝ`täm·ǝ·trē] ASTRONOMY A system of three-color photometry used to obtain specific stellar magnitudes; the system is based on the comparison of stars' magnitudes with a standard sequence of about 400 stars. |
| 随便看 |
科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。