The ferroelectricity means the spontaneous polarization that exists in some materials, and the spontaneous polarization can change its direction when the external electric field alters.
铁电性是指某些物质存在自发电极化现象，并且自发极化矢量取向能随着外电场而改变。
The ferroelectricity means the spontaneous polarization that exists in some materials, and the spontaneous polarization can change its direction when the external electric field alters.
铁电性是指某些物质存在自发电极化现象，并且自发极化矢量取向能随着外电场而改变。
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