Steady-state probability, frequency and duration are the three main indices in reliability evaluation of the HVDC systems. Generally, they are solved by numerical methods.
稳态概率、状态频率和持续时间是高压直流系统可靠性评估中的三个主要可靠性指标，一般用数值方法求解。
After probing into the principle of creation of indexes system, utilizing different evaluation methods, this paper creates evaluation indexes on the enterprise system and its sub-systems.
在探讨指标体系构建的原则后，论文运用不同的评价方法，建立企业大系统和其子系统的评价体系。
This article has conducted researches on the teaching contents, methods, means, experiments and evaluation systems so as to achieve the goal of the special training.
本文在教学内容、方法、手段、实验教学及评价体系等方面作了初步探索，以期达到专业培养目标。
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