中文翻译与英英解释

大圆〔尤指地球表面的大圆，即地球面上通过球心的平面切成的圆〕。

great:    adj. 1.大的，巨大的。 2.很多的；充足的，十足的 ...

circle:    n. 1.圆；圆周；圈；环；环状物。 2.圆形场地，马戏 ...

a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center

A great circle, also known as an orthodrome or Riemannian circle, of a sphere is the intersection of the sphere and a plane which passes through the center point of the sphere, as opposed to a general circle of a sphere where the plane is not required to pass through the center. (A small circle is the intersection of the sphere and a plane which does not pass through the center.

例句与用法

Meridians are great circles passing through both poles .
经线均为通过两极。

The equator is a great circle midway between the north and south poles .
赤道圈是一个位于南北极当中的大圆周。

Mufasa is telling simba something about the great circle of life
木法沙正在告诉辛巴生命生生不息的道理。

The remains of a great circle of standing stones surround the mound
环绕在土石堆周围的是一大圈残缺不全的立石。

Its intersection with the celestial sphere will be a great circle - - the ecliptic
它与天球相交处形成一个大圆- -黄道。

Great circle mapper
大舆地图补给站

Great circle sailing
大圆航行法

Even the fog had been thrown back by the force of the blast , which had cleared a great circle open to the sky
即使是雾气，也被爆炸所产生的冲击波刮走，在天空中留下一个清清楚楚的大洞。

The archipelago is a hazardous traffic median in the great circle route , the shortest path between ports on either side of the north pacific
多岛海域是大圆航线上极具危险的运输中枢，也是连接北太平洋各端港口的最短通道。

And if you now focus on the fuzzy trail called the milky way , you will notice that it traces a different great circle across the sky
如果你现在把注意力集中在称为银河的长串模糊痕迹上，你会注意到，它在天空里描绘出另一道大圆。