“天文曙暮光”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	天文曙暮光
释义	天文曙暮光 astronomical twilight
随便看	radioactive sampler analyzer radioactive sand radioactive selfabsorption radioactive sensor radioactive series radioactive single radial diffusion radioactive snow gage radioactive-solution gauging radioactive source shielding radioactive species radioactive spring radioactive standard radioactive statistical fluctuation radioactive substance radioactive thickness gage radioactive thickness gauge radioactive trace radioactive tracer radio-active tracer radioactive tracer element radioactive-tracer method radioactive transformation radioactive waste radioactive waste disposal radioactive waste water