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

单词	Henry Draper system
释义	Henry Draper system Astronomy Henry Draper system缩写：HD system。HD分类系统
随便看	the cultural industry fund the cultural innovation spaces in China＇s cities The Cultural Palace of Nationalities The Culture Being Ignored and the Beauty of Weeds The Culture of Cities the culture of peony the culture of rule of law the culture of willow the cultures of flowers The Cunning Little Vixen The Current Textbook The Curriculum of the Master of Social Work Program in China The Cursed and Killed the curvature relationship of conjugate tooth-surfaces the curve of equal deterrence level The Customs of Chenla The Cut Road The CW Television Network the cytogenetic examination The Czech Dreambook the Dag Hammarskjöld Library The Dai-Chinese Dictionary The Daily Advertiser The Daily Herald The Daily Ittefaq

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。