Enterprise's IC especially intellectual property has the defensive function, Certainly also has the combative function.

企业的智力资本特别是其中的知识产权具有防御性功能，当然也具有进攻性职能。

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Conclusion ART such as trachea intubation and tracheotomy, which can damage respiratory tract natural defensive function, is one of the risk factors of HAP.

结论气管插管与气管切开等人工气道的建立，破坏了呼吸道的自然屏障，是下呼吸道感染的危险因素之一。

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What makes negative freedom different from positive freedom is that the former has defensive function that guarantees a person not to be enslaved by external forces.

没有理性的标准能提供完整的理由来解决价值的冲突；个人对价值的选择必须要具有自主性，而不是要求消极自由的优先性。

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Soon enveloped by an expanding city, the fortress lost its defensive function, and in its place came a royal palace.

BBC: Classic sights in the City of Light