例句與造句

1. The AIM-9X development cost was U . S . $ 3 billion in mid to late 1990's dollars, and 2015 per unit procurement cost is $ 0.6 million each.
2. In April 2006, the Government Accountability Office ( GAO ) assessed the F-22's cost to be $ 361 million per aircraft, with $ 28 billion invested in development and testing; the Unit Procurement Cost was estimated at $ 178 million in 2006, based on a production run of 181 aircraft . It was estimated by the end of production, $ 34 billion will have been spent on procurement, resulting in a total program cost of $ 62 billion, around $ 339 million per aircraft . The incremental cost for an additional F-22 was estimated at about $ 138 million in 2009 . The GAO stated the estimated cost was $ 412 million per aircraft in 2012.
3. It's difficult to find unit procurement cost in a sentence. 用unit procurement cost造句挺難的