他的父亲的父亲是我们尚属首次。

His father's father was the first of our kind.

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3d时装秀在日本尚属首次。

It is Japan's first such show.

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该课题研究在全国电力系统尚属首次。

The research is the first of its kind in the National Electricity System.

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这在它被长期观察研究以来尚属首次。

It was the first time that this was looked at over time.

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这尚属首次。

This is a first.

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本研究在国内尚属首次。

There is the research in China for the first time.

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中国“，这一”升级行动在世界范围内尚属首次。

China ", the "escalation of action the first of its kind in the world.

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以广告方式宣传国家形象，对中国来说尚属首次。

This is the first time China has propagated the country's image via advertisement.

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以广告方式宣传国家形象，对中国来说尚属首次。

This is the first time China has propagated the country's image via advertisement.

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