Application of analysis about costs of life period in equipment evaluation and calculation of benefit in renewal of equipment were discussed.
在此基础上探讨了寿命周期费用分析在设备评价和设备更新效益计算中的应用方法。
Based on dynamics analysis and brake shoe type arrester, its design method and steps are discussed in this paper. Calculation formula of mechanical benefit and design is introduced.
在对闸瓦式制动器进行动力学分析的基础上，论述了它的设计方法和步骤，并给出了机械效益的计算公式和设计曲线图。
The influence of stochastic factor and interwork effect couldn t been though about in tradition analysis and calculation of the contribution coefficient of irrigated benefit.
传统的灌溉效益分摊系数分析计算时未考虑随机因素与交互效应的影响，本文针对这一问题提出相应的数理统计分析方法。
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