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Article analysis:

The article is generally reliable and trustworthy as it provides a comprehensive overview of how to evaluate the patent management level of tobacco enterprises using Grey Relational Analysis (GRA) and Efficacy Coefficient Method. It also provides an evaluation index system which includes various factors such as patent application rate, technology value, invention patents applications etc., which are important for assessing the performance of a tobacco enterprise. Furthermore, it presents evidence from past ten years which shows that the company's patent management level has been on the rise with 2017, 2016 and 2013 being better than other years.

However, there are some potential biases in this article that should be noted. Firstly, it does not provide any counterarguments or alternative perspectives on its findings which could have provided a more balanced view on the topic. Secondly, it does not explore any possible risks associated with its findings or discuss any potential implications for future research or policy making decisions related to this topic. Finally, it does not present both sides equally as it only focuses on one particular method for evaluating a tobacco enterprise’s performance without exploring other methods or approaches that could be used instead.