“perennial stream”的概念、定义、翻译、参考文献-科学参考

单词	perennial stream
释义	perennial stream 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	Hou Shanyuan Hou Shu Gaozu Meng Zhixiang Hou Shu Houzu Meng Chang Houshui Wan Houshu State housing Housing Accumulation Fund Housing Act Housing Act of 1949 Housing Act（1930，UK） housing allocation system housing and community planning Housing and Urban Development Act of 1968 housing area quota housing association housing construction housing construction area housing construction industry housing construction management housing difficulty housing discount Housing, Environment, Urban-Rural Construction housing filtering housing for all housing for low-income migrant population

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。