Template:Motd/2015-12-18 (zh-hans)

在德国航空太空中心经过试飞的先进科技测试飞行系统飞机，起飞引起的旋涡现像(也称作翼尖或机尾旋涡)被跑道上彩色的烟标注显示出来。

 Template:Motd/2015-12-18

This is the Simplified Chinese translation of the Media of the day description page from 18 December 2015.

Descriptions in other languages:

• Motd/2015-12-18 (cs)
• Motd/2015-12-18 (en)
• Motd/2015-12-18 (fr)
• Motd/2015-12-18 (zh-hans)
• Motd/2015-12-18 (zh-hant)