It criticizes the main contractor for seriously erring in its estimates.
它批评主承包商在估算中严重出错。
The Air Force quickly became the think tank's main contractor, and Rand began consulting on everything from propeller turbines to missile defense.
空军很快成为了这家智库的主要承包商，兰德开始就从螺旋桨涡轮到导弹防御等一切问题进行咨询。
It criticises the main contractor for seriously erring in its original estimates.
它批评主要承包商在其最初估价中犯了严重的错误。
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