“natural radiation source”的概念、定义、翻译、参考文献-科学参考

单词	natural radiation source
释义	natural radiation source Encyclopedia 工学红外辐射源释 natural radiation source自然辐射源自然辐射源泛指自然形成的辐射源，包括地物、大气以及地球外物质等，其中地物是地球表面所有自然资源、自然材料以及人工建造物的总称。
随便看	characteristic theory characteristic thickness characteristic time characteristic time scale characteristic town characteristic tree species characteristic value characteristic value; eigenvalue characteristic value equation characteristic value of a matrix characteristic value problem characteristic values characteristic variable characteristic variety characteristic vector characteristic vector; eigenvector characteristic vegetable industry characteristic velocity characteristic velocity of rocket characteristic velocity of rockets characteristic water level of reservoir characteristic X-ray characterization characterization and analysis of materials characterization by language

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。