英语语法分析

Multiferroic materials possess both magnetism and ferroelectricity, or a permanent electric polarization.

多铁性材料兼具磁性和铁电性，或者可以说成是永久电力极化特性。

With decreasing grain sizes, its crystal structure, ferroelectricity and phase transition temperature all indicated the character of size effect.

随着晶粒尺寸的减小，它的晶体结构、铁电性和相变温度等都表现出尺寸效应。

The ultrathin materials which show ferroelectricity and the thickness of which is from several ten nanometers to a few microns are called ferroelectric thin film.

具有铁电性且厚度尺寸为数十纳米到数微米的膜材料叫铁电薄膜。