“variation of earth rotation”的概念、定义、翻译、参考文献-科学参考

单词	variation of earth rotation
释义	variation of earth rotation Encyclopedia 理学地球自转释 Earth Rotation Variations;variation of earth rotation地球自转变化地球自转速率变化（日长变化）和地极移动。
随便看	qigong postures Qigong Taiji Fifteen Postures qigong therapy Qi Guanshan qihai qihaishu Qihe Xian qihu Qi Hua Qi Ji Qijia Culture Qi Jiang Qijiang Qu Qijiang-type iron deposit Qijiaping Qijia Yanxi Qi Jiguang Ancestral Temple and Tomb qi jing ba mai ge Qi Junzao Qiju opera Qikou Gudu Qikou Scenic and Historic Area Qi Liangji Qilian Mountain Petroglyphs Qilian Shan Caoyuan

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