Objective To research the application value of direct digital radiograph ( DDR ) in nasal bone imaging.

目的探讨直接数字化X线 摄影 ( directdigitized radiography,DDR ) 在鼻骨摄影中的应用价值.

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Conclusion application of combine digital fluoroscopy and digital radiograph in IVU is valuable.

结论数字透视与数字摄影联合运用的方法应用于静脉尿路造影具有应用前景.

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