“伊凡·亚森二世”的概念、定义、翻译、参考文献-科学参考

单词	伊凡·亚森二世
释义	伊凡·亚森二世 Encyclopedia 历史学保加利亚历史释 Ivan Asen Ⅱ伊凡·亚森二世（？～1241）保加利亚第二王国国王（1218～1241）。
随便看	Outer Space Treaty outer sphere outer-sphere complexation outer sphere mechanism outer-totalistic cellular automaton outer-town outer variable outer volume outfan out filed out-filed outfire outfit out flow outflow outflow boundary condition out flow valve outgas outgassing outgoing angle outgoing channel outgoing edge outgoing particle outgoing quality outgoing quality control

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。