在第四部分中，我们主要探讨了相对强局部模，这是与相对极大子模有直接联系的一类模。

In section four, we mainly discuss r-strongly local module which is a class of modules being directly connected with r-small submodules.

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以二次光滑小波作为小波函数，对水果红外图像进行二维二进小波变换，计算了小波变换结果的局部模极大值点，从而得到了水果红外图像的轮廓。

A quadratic lubricity wavelet as wavelet function was defined to do the two dimensional dyadic wavelet transform on fruit infrared image, and to get local modulus maxima from the results.

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