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基础部分(1C2) 1.影响射线照相图像质量的因素是什么? a)对比度 b)不清晰度 C)晶粒度 d)焦点 2.下列哪一参数由底片乳胶一侧的散射电子的路程长度决定? a)几何不清晰度 b)内不清晰度 C)X射线透照清晰度 d)显影时间
A) Contrast b) Unsharpness C) Grain size d) Focal point 2. Which of the following parameters is determined by the distance traveled by the scattered electrons on the side of the negative emulsion? Decisions? A) Geometric unsharpness b) Inadequate clarity C) X-ray transparency definition d) Development time