Through the logical application of scientific and management principles over the life cycle of a system, system safety engineering attempts to achieve an optimum degree of safety.
通过在系统的生命周期内合理的应用科学的管理原则，系统安全工程就有望获得最佳的安全程度。
Project managers and engineers have the obligation and the responsibility to keep to the functional safety management requirements of the standards for all phases of the safety life-cycle.
项目经理和项目工程师的职责和责任是在安全生命周期各个阶段，确保遵循标准中对功能安全管理的要求。
Project managers and engineers have the obligation and the responsibility to keep to the functional safety management requirements of the standards for all phases of the safety life-cycle.
项目经理和项目工程师的职责和责任是在安全生命周期各个阶段，确保遵循标准中对功能安全管理的要求。
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