Methods:The tumor at the right orbit of a 4-yr. boy was excised and examined histologically—by light microscope and light transmission electron microscope.

方法：对4岁男孩泪腺恶性肌上皮瘤患者的肿瘤组织进行光镜、电镜观察。

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As a 14 year old farm boy plowing his family's fields in Rigby Idaho, Philo T. Farnsworth of was thinking of electron beams and Einstein's theory of relativity.

作为一个14岁男孩农场春耕家人的领域里格比爱达荷，斐罗吨范斯沃斯的是思想的电子束和爱因斯坦的相对论。

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