“battle of YanShan”的概念、定义、翻译、参考文献-科学参考

单词	battle of YanShan
释义	battle of YanShan Encyclopedia 历史学军事释 battle of YanShan燕山之役北宋攻打北辽燕京（今属北京）的重要战役，因宋称燕京为燕山府，故曰燕山之役。
随便看	diffeotopic diffeotopic embedding diffeotopy difference difference algebra difference analog difference approximation difference base difference between injection and production pressures difference boundary-value problem difference bundle difference cochain difference cocycle difference coefficient difference cokernel difference correction difference-cover difference differential equation difference-differential equation difference distribution difference element difference equation difference family difference formula difference Fourier synthesis

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。