And what would be the best way for Santa to recover after his busy night flying around the world?

当圣诞老人忙完整夜的奔波后，怎么做才最有利于恢复身体？

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Finally, a high quality virtual reality system of night flying over the sea was implemented.

最终实现了较逼真的夜海飞行虚拟现实系统。

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Further, each airline can adapt the system to its needs - notably by switching the system off during night flying.

此外，每家航空公司可以根据自身需要调整系统，特别是在夜间飞行时关闭该系统。

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Then,one night in July, Soviet officials announced that German bomber planes were flying toward Moscow.

VOA: special.2009.05.17

The bats fly to nearby river valleys to feed on night-flying insects.

VOA: special.2011.04.11

Campaigners against noise at Gatwick have disputed the economic benefits to the south east of night flying.

BBC: Gatwick Airport appeals to maintain night flying quota

The consultation, which ended on the 22 April, will inform government policy on night flying in 2014.

BBC: Gatwick Airport appeals to maintain night flying quota

The Department for Transport has undertaken a consultation on night flying restrictions.

BBC: Gatwick Airport appeals to maintain night flying quota