Roughness of the thin film surface is due to its sharp protuberance and nano-size pore structure.

薄膜中大量的纳米微孔结构及尖锐的峰状突起增加了表面的粗糙度。

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The results showed that the main crystal phase texture and distribution, the grain shape and size, pore and glass phase is the main factor that affect the mechanical strength of the material.

结果表明，晶相组成与分布、晶粒形状与尺寸、气孔及玻璃相是影响铝质电瓷材料强度的主要因素。

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Using image analysis technology, nonwovens' structure parameters, such as the pore size, pore shape, fiber orientation distribution and so on, were obtained in this paper;

利用计算机图像处理技术，提取了孔隙尺寸、孔隙形状和纤维取向分布等直观表达非织造纤维材料结构的参数；

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many of these ion channels have this size exclusion pore, it's a very important part of them.

很多离子通道也都有这样的具有尺寸排斥性的小孔，这是它们非常重要的组成部分。

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