This paper outlines the research status of cost models of aerospace project.
本文综述了国内外航空航天型号费用模型的研究现状。
Many home models cost less than $100.
许多家用机型的价格低于100美元。
The work on clay models is very time and cost-intensive.
制作粘土模型很耗费时间和精力。
Software reliability models provide a good base for software cost modeling.
软件可靠性模型为软件的费用模型提供了很好的依据。
Gas filled models are pretty uncommon now, because it is extreme way high cost.
现在气体充气模型非常不同寻常了，因为花销非常贵。
Sub-models are effective labor model, fixed capital model, productive cost model and land productivity model.
次一级的模型包括有效劳动模型、固定资本模型、生产费用模型和土地生产潜力模型。
It would be much more cost effective to have just a few basic models.
只有几个基本类型会大大提高成本效益。
It would be much more cost effective to have just a few basic models.
只有几个基本类型会大大提高成本效益。
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