“river gradient”的概念、定义、翻译、参考文献-科学参考

单词	river gradient
释义	river gradient Encyclopedia 工学〔主要名词〕释 river gradient河流比降单位河长内的落差。以小数或千分数表示。
随便看	cylindrical map projection cylindrical measure cylindrical mirror cylindrical mirror analyzer cylindrical mirror grating 3D display technology cylindrical paraboloid radio telescope cylindrical parts cylindrical phase space cylindrical polar coordinate cylindrical projection cylindrical robot cylindrical section cylindrical segment cylindrical set cylindrical spiral cylindrical spreading loss cylindrical strip cylindrical surface cylindrical tank cylindrical universe cylindrical vector field cylindrical voice coil motor cylindrical wave cylindrical wave equation cylindrical waveguides

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。