单词encke
网络: 恩克；恩克彗星；约翰·弗兰茨·恩克
The dark space in the A ring is called the Encke Gap, although several thin knotted ringlets and even the small moon Pan orbit there.
环中的黑暗空间被称为恩克带，但却有几个薄薄互相缠绕的小环，甚至土星的一颗卫星潘也在那里运行。
Finally, also calculate non gravitational effect on the orbit of comet Encke.
文末还具体计算了恩克彗星轨道中非引力效应。