The cost for storage and maintenance of a functional index can be high.
函数索引的存储和维护成本较高。
Mission dependability is an important index to estimate the capability of maintenance support system.
任务可信性是衡量维修保障系统能力的重要指标。
You might also consider using someone else's index-maintenance scripts to save time.
您还可以考虑使用其他人的索引维护脚本来节省时间。
First of all, the system of evaluation index of preventive maintenance was summarized.
首先，总结了预防性养护评价指标体系。
First of all, the system of evaluation index of preventive maintenance was summarized.
首先，总结了预防性养护评价指标体系。
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