所述的 背散射探测器设置于所述准直器的前面，所述的透射探测器设置于所述背散 射探测器的对面；
The backscattering detector is positioned at the front of the collimating element while the transmission detector is arranged opposite the backscattering detector.
盒子本身还连接了铅，以便阻挡杂散射线被探测器接收。
The box is lined with lead to shield the x-ray detector from stray radiation.
提出利用聚焦准直器代替单个准直器以达到增大探测器接收到的散射光子通量的目的。
Focusing collimators were used instead of single collimator to increase the scattering photon flux received by detector.
应用推荐