“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	approximate value by defect approximate value by excess approximate zero approximating approximating equation approximating function approximating operator approximating proper mapping approximating rational curves and surfaces by polynomials approximating rational curves by polynomials approximating rational surfaces by polynomials approximating sequence approximating set approximation approximation accuracy approximation algorithm approximation boundary condition approximation by continued approximation by continued fractions approximation by convex sets approximation by defect approximation by diffusion approximation by excess approximation by function of complex variable approximation by interpolation

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。