教育技术专家的一生就是一个不断挑战的过程。

Life as an educational technologist is a constant challenge.

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作为教育技术专家，我们应该如何维持我们的专业知识和能力？

How is one to maintain one's knowledge and ability as an educational technologist?

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教育型专家系统是人工智能技术的重要应用。

Educational expert system is a vital application of AI.

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教育型专家系统是人工智能技术的重要应用。

Educational expert system is a vital application of AI.

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