It balances itself around a line, a center point that physicists call the reference axis.

它绕着一条线来保持自我平衡，物理学家称之为参考轴的中心点。

" Rotate" is a verb that means to turn in a circular motion around a center point.

rotate是一个动词，意思是绕着一个中心点做圆周运动。

The verb " spin" also means to turn in a circular motion on a center point, much like " rotate."

动词spin的意思也是围绕中心点做圆周运动，和rotate很像。

Step 7, fold the tip of the nose down so it meets the center point, then unfold it back up.

第七步，将纸顶向下折叠，使其与中心点重合，然后再向上展开。

And this is a standard normal distribution, so the mean, or you can kind view the center point right here.

这是一个标准的正态分布，所以平均值，或者你可以在这里查看中心点。

We completed the government center, that's the Big Eagle, that's kind of like a focal and center point for the community.

我们完成了政府中心，那是大鹰，它有点像社区的焦点和中心点。

For one, the Texas Triangle sits at roughly the center point of the contiguous 48 United States, enabling easy and rapid air travel to both American coasts and to Latin America.

首先，德克萨斯三角区大致位于美国 48 个相邻州的中心点，可以方便快捷地乘飞机前往美国两岸和拉丁美洲。

Magnetic Field Observations when the lines start deviating from the center point, the lights are active. From the main site, choose " Aurora and the earth's magnetic field " from the links on the right hand site of the page.

磁场观测 当线开始偏离中心点时，灯亮。在主站点中，从页面右侧站点的链接中选择“极光和地球磁场”。