The lower price is based on NASA's estimate of the cost for transporting a shuttle from Kennedy Space Center to a major airport, and for displaying it indoors in a climate-controlled building.
低廉的价格是建立在NASA的估价上的,这些估价包括把航天飞机从肯尼迪航天中心运输到一个主飞机场,还有将其展示在一个气候可控制的建筑中。
The paper is to introduce the concrete ways on how to estimate the cost of fire equipment's by building mathematical models, It also discusses the exact estimate way of equipment cost during the fire.
通过对防火设备、灭火装备的费用估算,介绍如何利用数学建模的方式进行消防设备费用估算的具体方法,并对火灾过程中装备费用的精确估算方法进行了初步探讨。
Two alternative means will be provided for making an approximate structural cost estimate: one on a square foot of building basis, and another on volumes of structural materials used.
有两种可供选择的方法将用来进行结构造价的近似估价:其一是根据单位平方英尺建筑面积,另一种则是根据所用的结构材料体积进行估价。
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