◁think▷I need to write a 50–80 word English description of the composite LF-NMR image of apple #125, focusing on internal moisture distribution, tissue structure, signal intensity, and patch morphology. I should not use certain prohibited words like 'healthy', 'diseased', 'mild', 'severe', 'normal', 'abnormal', 'ground-truth', or 'label'. I should return only the descriptive text, no JSON, Chinese, or extra explanations.

Let me analyze the image and think about what I can describe:

The image shows what appears to be cross-sectional views of apples. There are four panels showing different slices or cross-sections. The top two images show more structured, less dense areas with visible cores. The bottom two images show more heterogeneous, granular areas with higher density variations.

For internal moisture distribution: I can describe how moisture appears in different regions—perhaps more concentrated in certain areas, less concentrated in others.

For tissue structure: I can describe the visible cellular structures, how tissues appear in different regions (more defined in some areas, more diffuse in others).

For signal intensity: I can note how different regions appear in terms of brightness or darkness—perhaps some areas are brighter (higher signal) and others darker (lower signal).

For patch morphology: I can describe the shapes, sizes, and patterns of any patches or variations visible in the images.

I need to be careful not to use prohibited terms. Instead of 'diseased' or 'healthy', I can use terms like 'variation', 'difference', 'distribution', or 'pattern'.

Now I'll draft my description:◁/think▷The composite LF-NMR image of apple #125 reveals distinct variations in internal moisture distribution across tissue sections. Signal intensity exhibits spatial heterogeneity, with brighter regions indicating higher moisture content and darker areas suggesting lower moisture. Tissue structures appear more defined in central cross-sections, showing organized cellular patterns, while peripheral regions display finer, more granular textures. Patch morphology varies significantly between slices, with some areas presenting concentrated density variations while others maintain uniform structures. These differences highlight intrinsic material heterogeneity within the apple's anatomical framework as captured through low-frequency nuclear magnetic resonance imaging.