“photographic zenith tube”的概念、定义、翻译、参考文献-科学参考

单词	photographic zenith tube
释义	photographic zenith tube Encyclopedia 理学照相天顶筒释 photographic zenith tube照相天顶筒测量世界时和纬度的仪器。 Astronomy photographic zenith tube缩写：PZT。照相天顶筒
随便看	lesser millet skipper lesser mouse deer lesser ring of iris lesser subordinates at county, prefecture and region lesser swinecress lesser tubercle lesser whistling duck lesser wing less flower and fruit due to mild winter Lessing On Acting lessivation Les Six less luminous supergiant lesson preparing group Lessons for Students in Architecture Lessons on Comparative Anatomy less pollent set less than less-than-carload freight transportation less than or equal to less-than-or-equal-to sign less-than sign LEST Lester Bowles Pearson Lester Frank Ward

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。