“natural standard”的概念、定义、翻译、参考文献-科学参考

单词	natural standard
释义	natural standard Encyclopedia 工学自然基准释 natural standard自然基准由反映物质运动自然规律的基本物理常数导出的电学基准或电学标准。
随便看	principal axes principal axes of stress principal axis principal-axis method principal axis of inertia principal axis of strain principal axis solution principal axis transformation principal-axis transformation principal band principal base principal bending moment principal block principal branch principal bronchus principal bundle principal bundle connection principal category principal cell principal character principal circle principal class principal coefficient of contraction principal cohomology class principal coincidence curve

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。