“radioactive materials”的概念、定义、翻译、参考文献-科学参考

单词	radioactive materials
释义	radioactive materials Encyclopedia 工学违禁物品释 radioactive materials放射性物品放射性物品有广义和狭义之分。广义的放射性物品泛指能够放射出射线的物品。狭义的放射性物品是指含有放射性核素且比活度和放射性总活度分别超过基本限值的物品。
随便看	terrestrial atmosphere terrestrial background infrared data terrestrial biosphere terrestrial branch terrestrial communications network terrestrial coordinate terrestrial coordinate system terrestrial digital television Terrestrial Dynamical Time terrestrial ellipsoid Terrestrial Ephemeris Origin terrestrial event terrestrial exoplanet terrestrial eyepiece terrestrial globe terrestrial gravitation terrestrial heat terrestrial hydrology terrestrial hydrology in China Terrestrial Intermediate Origin Terrestrial Intermediate Origin，TIO Terrestrial Intermediate Reference System terrestrial kilometric radiation terrestrial latitude terrestrial longitude

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。