为了提高航空装备的可靠性，常常需要对其进行加改装，即每型部附件加装备用部附件。计算表明，利用动态规划理论合理安排每型部附件的备用部附件数量，既可以有效提高装备可靠性，又能将加改装费用降低到最小。%To improve the reliability of aviation equipment, equipment personnel add spare parts for each type of attachment. Calculation shows that reasonable arrangements for the number of spare parts by dynamic programming improve equipment reliability effectively, and the modification cost is reduced to the minimum.
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