To measure the size,position and density distribution of the beam more accurately,detectors with good position resolution are needed.
如此一来,就要求所用的探测器具有好的位置分辨率,以便能够更精确地测量束斑的尺寸、位置和密度分布。
参考来源 - 双维位置灵敏CsI（Tl）闪烁探测的性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
选择依据主要是：位置分辨率，接收视场角和灵敏度。
The selecting rules are mainly position resolution, receiving FOV, sensitivity.
给出反偏电压、光谱响应、暗电流、极间电容、极间阻抗、位置分辨率和位置线性特性等性能的测试结果。
Several test results, such as reverse voltage, photo sensitivity, dark current, terminal capacitance, terminal impedance, position distinguishability, position Iinearity, were reported in the paper.
分辨率小于 2Å 的结构是高分辨率结构（也就是说，可非常准确地确定其原子的位置）。
Structures with a resolution less than 2Å are high-resolution structures (i.e., the locations of their atoms could be determined very accurately).
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