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。
It's good to use a reference for the shape, such as drawing an ellipse within which the fire will remain and you can send the flames up to any of the edges of this ellipse.
比较好的做法是用一个参照物，比如画一个椭圆形让火焰保持在这个范围之内，而且你可以让火苗窜到椭圆的边缘处。
What people have done for 200 years is volume after volume of taxonomic work with descriptions of spore shape and size, without reference to why it's there.
人们两百年来所做的无非就是一卷又一卷地对孢子的形状和大小分门别类地加以描述，而从不考虑它为什么就是这样的。
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