“rigid Earth nutation”的概念、定义、翻译、参考文献-科学参考

单词	rigid Earth nutation
释义	rigid Earth nutation Encyclopedia 工学刚体地球章动释 rigid Earth nutation刚体地球章动假设地球为刚体时，瞬时地球自转轴总是缓慢绕平均地球自转轴旋转，形成进动或岁差轨迹，又因受到外部天体引力矩作用，瞬时地球自转轴围绕平衡位置（岁差轨迹）作微小摆动。
随便看	China Film and Drama Research Association China Film and Literature Society China Film Animation Co., Ltd. China Film Archive China Film Association China Film Company China Film Co-production Corp. China Film Copyright Association China Film Critics Association China Film Culture Association China Film Directors Association Award of the Year China Film Directors' Guild China Film Distribution and Projection Association China Film Equipment Corp. China Film Export & Import Corp. China Film Foundation China Film Gaint Screen China Film Group Corporation China Film Group Digital Cinemas China Film Magazine China Film Press China Film Symphony Orchestra China Film Weekly China Film Yearbook China Finance & Economy Media Group Co., Ltd.

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