Why has the Needham Problem been difficult to solve?

“李约瑟难题”为什么成了难解之题?。

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This decomposition is helpful to understand "the Needham problem."

此种分解亦可以作为理解“李·约瑟问题”的一种视角。

youdao

This decomposition is helpful to understand "the Needham problem."

此种分解亦可以作为理解“李·约瑟问题”的一种视角。

youdao