• 1. source of paper: 论文出处
• 2. current status of paper source: 稿源现状

• 1.The aerodynamical noise of vacuum couch roll is the major noise source of paper machine.
  真空伏辊空气动力性噪声是造纸机的主噪声源。
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• 2.This paper reviews the structure, source, biological function of cecropins and their application in plants and animals, and discuses their existing problems and perspectives.
  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。
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• 3.The newly discovered strain can be used to make fuel from any source of cellulose, not just paper.
  这个新发现的菌株可以利用任何来源的纤维素，不只是纸。
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