本文从实际应用出发，提出“裕度平衡法”用于双支点非对称布置的滚动轴承选择设计。
For practical application, a balance method of surplus strength is proposed for selection design of rolling bearings which are non-symmetrically arranged and supported at two points.
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。
Applications of the concept of margin in science, engineering design, system operation and in daily life are discussed.
对可靠性设计与评估技术进行了讨论，提出了基于性能裕度的可靠性评定的工程方法。
Having discussed the technology of reliability design and evaluation, and suggested an approach of evaluating the reliability based on functional margin.
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