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7.1 数字签名 7.2 身份验证 7.3 公开密钥基础设施

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Philosophical Foundation of Safety ScienceTheoretical Basis of Safety Science Three Elements and Four Elements Theory Deficiencies and Prospects

Culture and corporate cultureDefinition and development of safety culture The structure and function of safety culture Enterprise safety culture construction

Safety regulations Security legal system Safety management system China's safety production legal system 《New Safety Production Law》

1 The cause of accident causation 2 Typical accident cause theory

1 Accident prediction 2 Accident prevention

1 Outline 2 Identification of major hazards 3 Monitoring of major hazards

探讨转基因食品的伦理问题 转基因食品概况 转基因食品的安全分析