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描述一台低能窄束γ射线ＴＣＴ装置。整个系统使用虚拟仪器控制程序ｌａｂＶＩＥＷ进行控制、数据采集和重建。对系统的空间分辨率与扫描步长，扫描角度的关系进行了研究并给出相关的实验结果。
Describe a low energy narrow beam γ-ray TCT device. The whole system uses LabVIEW virtual instrument control program for control, data acquisition and reconstruction. The relationship between the spatial resolution of the system and the scanning step and scanning angle was studied and the related experimental results were given.