They say one key air traffic control center in Jacksonville, Fla. , was understaffed recently for 27 of 30 days.

他们表示，佛罗里达州杰克逊维尔的一个重要的空中交通管制中心最近30天中有27天人手不足。

They said that Russian teams had set up an air traffic control center and barracks to house hundreds of people at a Syrian government airfield.

情报人员表示，俄罗斯团队设立了空中交通管制中心和营房，供数百名叙利亚政府机场人员使用。

As the president spoke, flights to New York City area airports were suspended for about a half hour due to virus-related staffing issues at an air traffic control center.

在特朗普发表讲话时，飞往纽约市各大机场的航班暂停了近半小时，因为新冠病毒导致空中交通管制中心出现了人手安排的问题。

United States Federal Aviation Authority, the FAA, said a recent software upgraded an air traffic control center in Virgenia may have led to the cancellations of more than 400 flights on Saturday.

美国联邦航空管理局(FAA)称弗吉尼亚州空中交通管制中心在升级软件时出现问题，导致周六400多个航班被取消。