“Carbon and Nitrogen Isotope Analysis”的概念、定义、翻译、参考文献-科学参考

单词	Carbon and Nitrogen Isotope Analysis
释义	Carbon and Nitrogen Isotope Analysis Encyclopedia 历史学同位素考古技术释 Carbon and Nitrogen Isotope Analysis碳、氮同位素分析方法通过测定遗址出土生物遗存的δ13C、δ15N值，分析古代人与动物食谱的研究手段。是食性分析领域最主要的研究手段。
随便看	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 approximation by least squares approximation by linear operators approximation by operators approximation by periodic transformations approximation by polynomials

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。