“道格拉斯，F.”的概念、定义、翻译、参考文献-科学参考

单词	道格拉斯，F.
释义	道格拉斯，F. Encyclopedia 历史学美国历史释 Frederick Douglass道格拉斯，F. （1818-02-14？～1895-02-20）美国黑人废奴主义者，黑人民权领袖。原名F.A.W.贝利。
随便看	electromagnetic ultrasonic internal detector electromagnetic unit system electromagnetic valve electromagnetic variable electromagnetic vertial ring high gradient magnetic separator electromagnetic vibrating type seeder electromagnetic vibroseis electromagnetic viscosity electromagnetic voltage transformer electromagnetic wave electromagnetic wave absorbers electromagnetic wave absorbing materials electromagnetic wave diffraction electromagnetic wave height measurement electromagnetic wave in magnetosphere electromagnetic wave irradiation breeding electromagnetic wave logging device electromagnetic wave propagation electromagnetic wave scattering electromagnetic (wave) spectrum electromagnetic wave spectrum electromagnetic wave transparent material electromagnetic wave travel time electromagnet iron electromagnetism

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