通过相邻磁导线中来自磁畴壁的边缘磁场写入磁区。

The magnetic regions are written by using the fringing fields from magnetic domain walls in neighboring magnetic wires.

youdao

然后，将样品放置在通过缠绕在试管边缘的线圈而产生的磁场中，该磁场的方向与血液流动方向相同。

The sample was then exposed to a magnetic field applied parallel to the direction of flow of blood via a coil around the edge of the test tube.

youdao

这个黑子群的磁场活动首先被卫星发现，编号为活跃区1339 (AR 1339)。当时它刚开始沿太阳西北边缘移动。

Dubbed Active Region 1339, the cluster of magnetic activity was first spotted by satellites as it started making its way around the sun's northwestern edge.

youdao