“北京条约”的概念、定义、翻译、参考文献-科学参考

单词	北京条约
释义	北京条约 Encyclopedia 历史学中外关系释 Treaty of Beijing《北京条约》第二次鸦片战争期间英、法、俄三国强迫清政府分别签订的三个不平等条约。
随便看	graded completion graded complex space graded deposit graded derivation graded dose-response curve graded education administration graded form graded free resolution graded group graded heterojunction graded homomorphism graded Hopf algebra graded ideal graded index graded index fiber graded index lens graded index lens, GRIN graded index media graded-index media =graded index 陡度折射率 graded junction graded lattice graded Lie algebra graded manifold graded medical treatment

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。