Optimization methods to control the in flight shutdown rate and the maintenance cost of civil aero engines are presented in this paper.

提出了民用航空发动机空中停车率与维修成本控制的优化决策方法。

youdao

This paper states the features on in-flight shutdown and presents preventive measure through statistical failure analysis occurred engine in-flight shutdown in CAAC at 90' years.

本文针对中国民航九十年代发生的发动机空中停车事件进行分析，说明停车特征并提出预防措施。

youdao

Mohammed Haggag, owner of Viking, a company that runs seven balloons in Luxor, said the flight shutdown meant that the whole industry was suffering for one pilot's mistake.

NPR: Fiery Balloon Accident Kills 19 Tourists In Egypt

And the top-flight administrators ruled out a winter shutdown, although chief executive Neil Doncaster accepts it would be of benefit.

BBC: SPL rules out winter break return

Gingrich had the advantage until, during a press conference, he suggested he had forced the shutdown because Clinton had ignored him during a flight from Israel.

CNN: Goodbye again, Newt Gingrich