“常年性河流”的概念、定义、翻译、参考文献-科学参考

单词	常年性河流
释义	常年性河流 Encyclopedia 工学〔主要名词〕释 perennial stream常年性河流常年流水不断的河流或受人类活动影响偶尔断流的河流。世界上绝大部分河流均为常年性河流。
随便看	quasi coordinate quasi-coordinate quasi-correctness quasi-countably compact space quasi-crystal quasicrystal quasi-crystalline state quasicrystalline state quasi-cyclic quasi-cyclic code quasi-cyclic coordinate quasi-cyclic group quasi-cylinder quasi-decomposition quasi degeneracy quasi-degeneracy quasi-degenerated quasi-derivative quasi-development quasidiagonal quasidiagonal matrix quasidiagonal operator quasi-different quasi-differentiability quasi-differentiable function

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。