联邦航空局以安全考虑为由,以神秘无人驾驶飞机目击为由,实施飞行限制。 FAA imposes flight restrictions due to mysterious drone sightings, citing safety concerns.

联邦航空局在接到神秘无人机监视报告后,发布了临时飞行限制令(TFRs)。 The FAA has issued Temporary Flight Restrictions (TFRs) after reports of mysterious drone sightings. 确切的位置和原因并未详细说明,但TFR通常用于确保受影响地区的安全和保障. The exact locations and reasons for the sightings are not detailed, but TFRs are typically implemented to ensure safety and security in affected areas. 官员正在调查这些事件,以防止可能对航空和公共安全造成的威胁。 Officials are investigating the incidents to prevent potential threats to aviation and public safety.