以下为句子列表：
英文: A cogwheel is placed where the wheat and rice stems cross at the base.
中文: 齿轮安在下方麦稻杆的交叉点上。
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英文: A small cogwheel that engages or is engaged by a larger cogwheel or a rack.
中文: 小齿轮，齿杆啮合大齿轮或被大齿轮或齿条啮合的小齿轮
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英文: The national emblem of China is Tian‘anmen in the center illuminated by five stars and encircled by ears of grain and a cogwheel.Tian‘anmen symbolizes the Chinese nation and the ears of grain and the cogwheel represent the working class and peasantry.
中文: 中国的国徽中间是五星照耀下的天安门，周围是谷穗和齿轮，其中天安门是中华民族的象征，齿轮、谷穗代表广大的工人和农民。
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