“常年河流”的概念、定义、翻译、参考文献-科学参考

单词	常年河流
释义	常年河流 perennial river perennial stream
随便看	slip trailer slip trailing SLIP trap slip tube slip-tube shaft slip tube type liquid level gauge slip-type drawing machine slip-type expansion joint slip universal joint slip-vector slip velocity slip water bottle slipway slip-wedge method slip-weld hanger slip wire bridge slip wire drawing machine slip zone slit slit antenna slit burner slit cathode slit cellulose film slit coil slit deal

科学参考收录了1248194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。