“river observation”的概念、定义、翻译、参考文献-科学参考

单词	river observation
释义	river observation Encyclopedia 工学河道湖泊管理释 river observation河道观测运用观测手段，量测河道的平面和断面形态要素和水文要素，并以数字或图像的形式加以记录的活动。
随便看	harmonic pencil of planes harmonic perspectivity harmonic polar harmonic polar curve harmonic polar line harmonic pole harmonic polynomial harmonic position harmonic power harmonic progression harmonic proportion harmonic quadrilateral harmonic quadruple harmonic quadruple of lines harmonic quadruple of planes harmonic quadruple of points harmonic range harmonic range of points harmonic ratio harmonic representative harmonics harmonic scalar field harmonic segment harmonic sequence harmonic series

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。