The magnetic state of a bar magnet or a horseshoe magnet is extremely complicated.
条形磁铁或马蹄形磁铁的磁态是极其复杂的。
Discuss solid-state storage, Internet hard drives, and magnetic tape.
讨论固态存储，网络硬盘和磁带。
This is the history of the first high-resolution solid-state magnetic field sensor.
这是历史上的第一种高分辨率固态磁场传感器。
This is the history of the first high-resolution solid-state magnetic field sensor.
这是历史上的第一种高分辨率固态磁场传感器。
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