Based on overall analysis of apple shape, originally, the reference shape method was used in apple shape feature extraction.

首次将参考形状分析法用于果形判别，利用人工神经网络对果形进行识别和分级。

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By extraction and selection of the cell shape feature, using the least distance method and shape method primarily identify and classify the lung cell.

通过形态特征的提取和选择，利用最小距离法和形态法对肺部细胞进行了初步的识别分类。

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Comparing the shape design method that is in common use currently, deducing the physical and geometrical optics theory, this article advanced a direct-shape method for the reflector.

本文综合比较了目前常用的赋形设计方法，并通过物理光学、几何光学理论公式的推导，提出了一种反射面直接赋形的方法。

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Manipulating the shape of the threads using this method, called thread-rolling, was thought to be impossible because it would be too hard to control the structure of the screw if metal oozed into odd shapes.

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