将获得的图像分为不同大小的5个视窗范围，测量直接扫描图像和DRR图像的边界绝对位置误差并计算其几何畸变率。
Geometric distortion in 5 different fields of view (FOV) was calculated by measuring the absolute borderline error of direct scan and coronal digital reconstructed radiograph (DRR).
用贫化铀裂变室进行绝对裂变率测量。
The absolute fission rates was measured by the depleted uranium fission chamber.
用小型平板裂变室测量中子穿透实验模型后引发238u绝对裂变率，掌握小空间测量中子技术。
Using uranium fission Chambers of minitype slab in the case of 14 MeV neutrons penetrating through the special experiment model, the pure 238u absolute fission rates are measured.
用小型平板裂变室测量中子穿透实验模型后引发238u绝对裂变率，掌握小空间测量中子技术。
Using uranium fission Chambers of minitype slab in the case of 14 MeV neutrons penetrating through the special experiment model, the pure 238u absolute fission rates are measured.
应用推荐