Applications of the concept of margin in science, engineering design, system operation and in daily life are discussed.
讨论了裕度概念在科学研究、工程设计、系统运行以及日常生活中的应用情况。
Proceeding from software engineering, the data for realizing reclosing software in power system is abstracted into time sequence status, something with life activity governing laws.
从软件工程的角度出发，将电力系统中实现重合闸的数据抽象成具有生命活动规律的实体——时序状态。
How to deduce the life distribution of the system is one of the critical subjects of reliability engineering field.
如何推断系统的寿命分布，是可靠性工程领域的一个重要问题。
Based on reliability theory, the calculation formula of specified life of linear rolling guide system is deduced. The result is of important engineering value.
根据可靠性原理，导出了滚动直线导轨系统额定寿命的计算方法，具有重要的工程应用价值。
The presented method can be easily used in engineering for MTTF evaluation of large complex system, where limited testing data of unit life time is required.
解决了有限样本条件下，大型复杂系统平均寿命评定问题，对工程中大型复杂系统平均寿命评定具有重要应用价值。
The evaluation and forecast of the life cycle cost for an aircraft flight system is the important link in the system optimization and R&D of aviation engineering.
飞机飞控系统的寿命周期费用估算与预测是航空工程系统优化和研发的重要环节。
By applying the theory of system engineering, this paper identifies the primary security engineering activities in the life cycle of information systems.
本文利用系统工程的思想，通过把信息系统安全与系统工程环境相结合，确定了信息系统生命周期中各阶段的主要安全工程活动。
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。
The modern engineering system behaves dynamically in its life cycle and this characteristic of dynamism should be considered in the risk assessment of the system.
现代工程系统在整个寿命周期内表现出明显的动态特性，对系统进行风险评价应进一步考虑其动态特性。
This system have been developed according to the software engineering life cycle.
系统完全按照软件工程的生命周期进行开发。
This system have been developed according to the software engineering life cycle.
系统完全按照软件工程的生命周期进行开发。
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