To analyze information features and element characteristic of operational and support cost of equipment, a cost analysis model is established.
通过分析装备使用保障费用的信息特点及其要素特征，建立了费用分析模型。
This article introduces the construction technological process of a new type of ballastless track, viz. the double-block track and performs a cost analysis of the same.
介绍一种新型无碴轨道形式即双块式无碴轨道的施工工艺过程，并进行造价分析。
How to evaluate the product cost in the phase of requirement design was researched and a cost analysis method of requirement product based on requirement cost features was presented.
研究了如何在产品的需求设计阶段估算其成本，提出了基于需求成本特征的需求产品成本分析方法。
How to evaluate the product cost in the phase of requirement design was researched and a cost analysis method of requirement product based on requirement cost features was presented.
研究了如何在产品的需求设计阶段估算其成本，提出了基于需求成本特征的需求产品成本分析方法。
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