The paper mainly focus on these two aspects to solve the safety problems of the system, identity recognition and the formation, distribution and delivery of the key code.

文中主要是从身份的识别和密钥生成、分配、传递体系，这两个方面分析和解决系统的安全问题。

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This paper analyses the problems in reducing costs in metallic mines and presents that economizing energy and enhancing safety are two workable approaches to the efficient safety economy.

本文从节能及加强安全管理两方面对减少金属矿山的安全经济投入问题进行了分析与探讨，达到提高安全经济运行效率的目的。

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The FDA may have felt pressure to approve Avandia two years later because safety problems were starting to show up with Rezulin.

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Howe took charge of the Cherries in January and led them to League Two safety despite the club being deducted 17 points because of financial problems.

BBC: My heart is at Bournemouth - Howe

Twenty-two drug safety advocates, including Nissen, signed an open letter blaming the FDA's problems on this system, arguing it makes regulators feel subtly beholden to industry.

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