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耐GESaturne41直线加速器.6MV—X线.60度楔形滤片下 不同的方形照射(zhao she)野,矩形照射(zhao she)野且不同深度分别测量加和不 加楔形滤片时的剂量率,计算楔形因素.以研究照射(zhao she)野大(ye da)...