夹杂物平均尺寸、夹杂物面积百分数、夹杂物平均间距等参数均影响材料的力学性能 ；
The inclusion distribution characteristics, as average size, area percentage and average spacing, could affect mechanical properties of the high silicon cast steel.
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。
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.
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