“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	particle pollutants particle production particle property particle reinforced aluminum matrix composite particle reinforcements particle rotor model particle-rotor model particle scattering function particles collider particles fertilizer machinery particle shape particle simulation particle size particle size analyzer particle size distribution particle size distribution criterion of clastic rock particle size distribution of atmospheric dust in China particle size distribution of drilling fluid particle size measurements particle size of mineral particle size soft sensor particle size spectrum particle solid-liquid separating equipment particle spectra particle-stabilized emulsion or colloid

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。