“跨国界河流”的概念、定义、翻译、参考文献-科学参考

单词	跨国界河流
释义	跨国界河流 Encyclopedia 工学〔主要名词〕释 cross-border river跨国界河流河流上下游流经不同国家或河流左右岸分属不同国家的河流。又称国际河流。
随便看	negative relation negative resistance negative resistance amplifier negative-resistance device negative-resistance oscillator negative response negative result negative root negative rotation negative selection negative semi-definite negative semi-definite form negative semi-definite kernel negative semi definite matrix negative semi-definite matrix negative semi-definite operator negative semi definite quadratic form negative semi-definite quadratic form negative semi-definte quadratic form negative semi-orbit negative semi-trough negative sense single-stranded RNA virus negative sequence negative sequence current carrying capability negative side

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。