并且也已成为我国构建和完善现代税制的重要问题。

And also has become China's build and improve the modern tax system important issues.

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但如何构建和完善，却是摆在我们面前的一道难题。

But how to construct and consummate, is actually a difficult problem before us.

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因此，我们可以利用上述方法构建和完善描述逻辑知识库。

So we could make use of the above method to construct and complete description logic knowledge base.

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因此，我们可以利用上述方法构建和完善描述逻辑知识库。

So we could make use of the above method to construct and complete description logic knowledge base.

youdao