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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Finally, according to the theory of drop shape method, with the mathematical instrument of optimization, the parameters of melted liquid cuerve is obtained.

最后根据滴外形法的理论，借助最优化等数学工具，得到熔体表面、界面性质参数。

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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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