利用时间延迟概念建立了预防维修模型。
Method to determine delay time of speech signal in reconstructed phase space;
在传统维修模型维修费用的基础上，建立了一般及考虑维修时间的新的最小维修优化模型。
Based on traditional maintenance model of maintenance costs, established a new optimum model that can be used to minimal repair of considering maintenance time or not.
干的船坞和一个潜艇模型。这个船坞是设计用来维修的。
The dry dock and a model of the submarine. This dock was designed for repairing.
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