“Henry Draper stellar classification”的概念、定义、翻译、参考文献-科学参考

单词	Henry Draper stellar classification
释义	Henry Draper stellar classification Astronomy Henry Draper stellar classification缩写：HD classification。HD恒星光谱分类
随便看	Nauru International Airport Nausicaa of the Valley of the Wind nautical almanac nautical astronomy nautical chart form nautical charts and publications nautical chart unit nautical ergonomics nautical health supervision nautical medicine nautical mile Nautical Navigation nautical nutrition nautical psychology nautical publications nautical publications publishing system Nautical staff health evaluation nautical star Nautical stuaff Medicial selection nautical table nautical triangle nautical twilight Nautilus Navagraha Navajos

科学参考收录了854744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。