B Yes, I've been to Shanghai and to Xi 'an.

b是的，我还去过上海和西安。

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B: Yes, madam. I graduated from Xi 'an Jiaotong University.

是的，夫人，我从西安交通大学毕业。

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Xiangli B. The Research of Imaging spectroscopy. Xi 'an: Northwest University of China, 1997.8 ~ 12.

相里斌，干涉成像光谱技术研究。西北大学现代物理研究所博士后出站报告，1997.8 ~ 12。

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