“beginning of morning twilight”的概念、定义、翻译、参考文献-科学参考

单词	beginning of morning twilight
释义	beginning of morning twilight Astronomy beginning of morning twilight晨光始
随便看	synthetic agent theory of crime synthetically dynamic theory synthetically environmental economic accounting system synthetical stratum columnar section synthetic ammonia industry synthetic ammonia process synthetic analysis Synthetic Analysis Model synthetic antibacterials synthetic aperture synthetic aperture imaging synthetic aperture ladar synthetic aperture ladar， SAL synthetic aperture radar synthetic-aperture radar synthetic aperture radar calibration synthetic aperture radar guidance synthetic aperture radar interferometry synthetic aperture radar，SAR synthetic aperture sonar synthetic appreciation for scientific and technological progress synthetic a priori judgment synthetic-assemblage experiments synthetic base drilling fluid Synthetic Biology

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。