“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	subsea wellhead subsea wellhead equipment subsea wet-type tree sub-seed zone subselfsimilar set subsemifield subsemigroup subsemilattice subsemiring subsequence subsequence最长递增散布子序列 subsequent subsequent adjustment subsequential limit subsequent treatment subsequent yield surface subseries subseries convergence subserosa subset subset bounded from below subset of a lattice subset sum problem subset-sum problem subset-sum theory

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。