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两个美国青年 ,一个出身于农民 ,一个出身于知识分子 ,一个搞农业 ,一个搞原子物理加速器 ,是什么力量使他们走到一起 ,拥抱中国大地呢 ?
What are the two young Americans who come from the peasants, one from the intellectuals, one from agriculture and one from the atomic physics accelerator, what is the power to bring them together and embrace the land of China?