在所述滤线栅的一个实施例中，烧结结构配合通过金属薄板中的孔。
In one embodiment of the grid, the sintered structure engages through holes in metal sheets.
标准滤线栅便于形成在收集边缘提供高磁场和高梯度的要素，压降较低。
Standard grids have advantageously shaped elements to provide high magnetic field and gradient near collecting edges, while causing very low pressure drop.
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。
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.
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