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断层扫描成像技术是人类疾病诊断学中的重要工具。人们所熟知的Ｘ线计算机断层摄影（ＸＣＴ）和磁共振成像（ＭＲＩ）等技术，已在生物医学领域中得到了广泛应用，在医学诊断中，尤显重要。但是由于技术能力所限，ＸＣＴ和ＭＲＩ无法使人们观察到密集体腔内的组织变异，空...
Tomography is an important tool in the diagnosis of human diseases. Well-known technologies such as X-ray computed tomography (XCT) and magnetic resonance imaging (MRI) have gained widespread use in the biomedical field and are of particular importance in medical diagnosis. However, because of the limited technical capabilities, XCT and MRI can not make people observe the tissue variation in the dense cavity.