The film magnetic core is designed by thin-film technique.

采用薄膜化技术设计制作该集成磁件的薄膜磁芯；

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Magnetic core. Single or double line representation can be specified.

磁芯。可以指定单线或双线表示。

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A coil component having a magnetic core and a coil wound around the magnetic core.

本发明是一种线圈部件，其具备磁芯和缠绕在磁芯上的线圈。

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The research could help test simulations of how the outer, fluid core generates the Earth's magnetic field, which shields our planet and the teeming life on it from harmful cosmic rays.

BBC: NEWS | Science/Nature | Earth's core runs ahead of crust

The inner core, made of very pure, solid iron, rotates along with the outer core, dragging the Earth's magnetic field with them.

BBC: Earth's wobbles reveal deep secrets

The planet has no internal magnetic field, which might be due to its core failing to circulate in the way the Earth's does.

ECONOMIST: Planetary science