“counting down”的概念、定义、翻译、参考文献-科学参考

单词	counting down
释义	counting down 脉冲频率分除法
随便看	field of pressure field of search field of vector on a manifold field of view field of view meter field of view number field of vision field of welding temperature field ohmic loss field operation field operation car field operation division field operator field optical collimator system field order field-oriented machine field overhead field particle field pattern field pattern-propagation factor field pea field pendulum Field pennycress field personnel training field petrol depot

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。