洪出生在加利福尼亚，但是在他三岁的时候，他的父亲，一位宇航工程师，因为工作原因把家搬回到首尔。
Hong was born in California, but when he was three, his father, an aerospace engineer, moved the family to Seoul for a job.
另外，通过多学科的交互合作，我的研究可以走在宇航工程的前沿 。
Plus, [through multidisciplinary partnerships], the application of my research can go beyond the aerospace industry.
优质焦炭是生产宇航工程中的抗热震石墨和炼钢用超高功率电极的重要原料。
The premium petroleum coke, is an important material mainly used in production of anti-thermal-shrunk graphite and ultra-high power(UHP)electrode.
Tan是一名宇航工程学教授，而Venkatakrishnan是机械和工业工程学教授。
Tan is a professor of aerospace engineering while Venkatakrishnan is a professor of mechanical and industrial engineering.
Tan是一名宇航工程学教授，而Venkatakrishnan是机械和工业工程学教授。
Tan is a professor of aerospace engineering while Venkatakrishnan is a professor of mechanical and industrial engineering.
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