选择焦点什么意思_有道词典 ... 焦点选择 Focal Select 选择性的软焦点 mm Selective Soft Focus ; Selective Soft Focus 释义：管焦点选择 tube focus selection ...
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Conclusion: Considering the absorbed dose of the patients and avoiding the image distortion, it is suggested that the selection of focus-film distance should be matched with the tube and grid.
结论：考虑病人的吸收剂量和避免影像失真，摄影焦-片距的选择应与滤线栅的焦距相匹配。
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