本文只统计造成变压器必须退出运行的故障，研究这类失效应把变压器看成是不可修复系统，其最主要的指标是失效率。
In the thesis we only count the failure that leads the transformer to quit operation, regarding the transformer as Non-repairable system whose main index is failure rate.
本文只统计造成变压器必须退出运行的故障，研究这类失效应把变压器看成是不可修复系统，其最主要的指标是失效率。
The thesis only counts the failure that leads the transformer to quit operation, regarding the transformer as Non-repairable system whose main index is failure rate.
民营高科技企业要努力创造条件，降低退出概率，减少呼吁成本，提高呼吁水平，以构建一个低成本、高效率的恢复机制。
The high-tech family business need to work hard lowering the probability of exit, decreasing the cost of the call, and increasing the efficiency of call.
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