这不是中国古代四大发明其中的两个吗？

Are they two of China 's four great inventions?

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中国古代四大发明是什么？

What are the four great inventions of ancient China?

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指南针是中国古代“四大发明”之一。

The compass is one of the four great inventions of ancient China.

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指南针是中国古代“四大发明”之一。

Thee compass is one of the four great inventions of ancient China.

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指南针是中国古代“四大发明”之一。

Thee compass is one of the four great inventions of ancient China.

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