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{
  "sample_id": 303,
  "geometry_type": "sphere",
  "geometry_parameters": {
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    "radius": 0.290791979258899,
    "segment_angle": 51.565826239703846
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  "rq_actual": 0.0032472685350338776,
  "ra_actual": 0.0026305145141867652,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "combined_mechanisms",
  "method": "hybrid",
  "grid_resolution": [
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    145
  ],
  "physical_dimensions": [
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  ],
  "curvature_statistics": {
    "mean_slope": 0.0004182627164461355,
    "max_slope": 0.0007784233951165509,
    "height_range": 0.11003129413133346,
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    "std_height": 0.03325843746286956
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  "generation_timestamp": "2025-11-08T03:00:39.208466",
  "correlation_length_x": 0.03392106742742216,
  "correlation_length_y": 0.008554251141226377,
  "orientation": 30.0,
  "anisotropy_ratio": 3.9654046704267185,
  "hybrid_parameters": {
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    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 7,
    "perlin_persistence": 0.6864842248438259,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.43916357524131233,
    "fractal_modes": 95
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}