“自然观察”的概念、定义、翻译、参考文献-科学参考

单词	自然观察
释义	自然观察 Encyclopedia 理学自然观察释 naturalistic observation自然观察在不涉及变量操控的自然条件下，对目标进行系统性和计划性观察的研究方法。
随便看	Chebyshev polynomial of the first kind Chebyshev polynomial of the second kind Chebyshev polynomials of the first kind Chebyshev polynomials of the second kind Chebyshev pseudo-spectral method Chebyshev quadrature Chebyshev quadrature formula Chebyshev-Radau quadrature Chebyshev radius Chebyshev series Chebyshev series expansion Chebyshev set Chebyshev subspace Chebyshev sum inequality Chebyshev-Sylvester constant Chebyshev system Chebyshev system of functions ChebyshevT Chebyshev theorem ChebyshevU Chechen Chechens Chechen War Che, Chi-Ming check

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。