他拥有斯坦福大学计算机科学博士学位。

He has a PhD in computer science from Stanford University.

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1972年，他攻读计算机科学博士学位的博士论文却没有通过。

But in 1972 his dissertation for a PhD in computer science was rejected.

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虽然这从技术上讲的确如此，但要使用智能手机难道非得取得计算机科学博士学位才行吗？

While this is technically true, one should not need a PhD in Computer Science to use a smartphone.

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