这飞行器划过昏暗的夜空，吓到了当地居民；空中交通管理者也感到惊恐，立即关闭了繁忙的杭州机场，并将城市的空域锁定了一个多小时。

Gliding across the dusky sky, the craft startled locals and frightened air-traffic controllers, who promptly closed Hangzhou's busy airport and locked down the city's airspace for more than an hour.

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1973年，亨利·明茨伯格在其对管理工作的经典研究中，将管理者比作玩杂耍的人：他们保持50个球同时在空中，并在再次将球抛至空中前，定期检查每个球。

In his classic study of managerial work in 1973 Henry Mintzberg compared managers to jugglers: they keep 50 balls in the air and periodically check on each one before sending it aloft once more.

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本文站在空中交通流量管理者的角度，探讨了基于冲突探测的航班时刻优化方法。

In this paper the author researched the flight schedule optimization method based on conflicts detecting from the point view of air traffic management.

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