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近40年来，心、血管造影的广泛临床应用显著地提高了对许多疾病的认识促进了放射医学的发展，它已成为目前诊断和治疗领域中的重要方法。由于动脉内血流
For nearly 40 years, the widespread clinical application of heart and angiography has significantly improved the understanding of many diseases and promoted the development of radiology. It has become an important method in the field of diagnosis and treatment. Due to arterial blood flow