This group of petroglyphs in the Alta Fjord, near the Arctic Circle, bears the traces of a settlement dating from c. 4200 to 500 B. C.

临近北极圈阿尔塔海湾的这组岩画是公元前4200年至公元前500年人类居住遗迹的见证。

youdao

So this is a circle, and it comes to a halt, let's say here at point C.

这是一个圈，它会在比如说，点C停下来。

youdao

They are just flowing along the circle around and around so the flux will be zero. F now is tangent to c.

只是沿着曲线流动，所以通量为零，F与C相切。

youdao

The uptrend was tested twice more in November (circle F) before IYE was able to rally impressively through resistance at line C on strong volume (line G).

FORBES: No Need to Pick Bottoms or Tops

Focus Electric, Fusion Energi plug-in hybrid and C-MAX Energi plug-in hybrid all have an LED charge port that displays a circle of light directly related to battery life.

FORBES: 8 Tips For Avoiding Electric Car Road Rage