“He-Umezu Agreement”的概念、定义、翻译、参考文献-科学参考

单词	He-Umezu Agreement
释义	He-Umezu Agreement Encyclopedia 历史学中外关系释 He-Umezu Agreement何梅协定河北事件发生后，日本强迫南京国民政府签订的旨在进一步控制华北的协定。
随便看	parabola parabola approximation parabola catacaustic parabola evolute parabola formula parabola inverse curve parabola involute parabola method parabola negative pedal curve parabola of degree n parabola of safety parabola pedal curve parabola vertex parabolic parabolical parabolic antenna parabolic antennas parabolic approximation parabolic band parabolic basin parabolic boundary parabolic boundary-value problem parabolic bundle of circles parabolic bundle of rays parabolic collineation

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。