This paper takes computer as the research object, and discusses the strategy of computer maintenance and virus prevention.

摘要本文以计算机为研究对象，探讨计算机维护维修与病毒防治策略。

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Object To study the relationship between kinds of food poisoning and the poisoning foods and carry out measures for prevention and treatment.

目的研究食物中毒类别与中毒食品的相互关系，提出防范措施，并为食物中毒原因的判定和临床诊治提供参考。

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OBJECT: To analyze management of laryngotracheal injuries for improving diagnosis and treatment of laryngotracheal injuries and prevention of laryngotracheal stenosis.

目的：通过对喉气管外伤救治情况分析，探讨喉气管外伤合理的诊断及治疗方法，预防并发症的发生。

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Other animal welfare groups, including the American Society for the Prevention of Cruelty to Animals (ASPCA), also object to rodeos.

BBC: Are rodeos a form of culture or cruelty?