本文综述了天蚕素抗菌肽的结构、来源、生物作用，重点介绍了天蚕素抗菌肽的应用，并对其存在的问题和未来发展前景进行分析。

This paper reviews the structure, source, biological function of cecropins and their application in plants and animals, and discuses their existing problems and perspectives.

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这家公司拥有雄厚的未来发展前景。

This company has strong prospects for future growth.

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现在是一个总结过去、展望未来发展前景的好机会。

It is also a good occasion to take stock and to look to the future.

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