Arcs of charged particles rise from the surface and are drawn back down again in the magnetic field.
带点粒子弧从表面跃起，又被再次抛回到磁场中。
2
A stylish construction of flexible metal arcs and mesh covered contact surface areas enable efficient air circulation between the rucksack and the back.
一个时尚的柔性金属弧线建设和网格覆盖的背负系统，使接触面之间的背包和背部有效的空气流通。
3
The beam then arcs circumferential ly back to a negatively charged high energy flux aperture.