They also abandoned using any corrective lenses, firing the X-ray pulse through a pinhole and then collecting the diffracted rays after they pass through the sample.
他们也放弃使用任何矫正透镜，而是通过一个针孔发射X光射线，然后采集经过样品后的衍射光线。
Natural light, scattering light and diffracted ray are removed effectively with those methods. Then, laser spot keeps stable, system precision is improved and an ideal result is obtained.
这些预处理方法有效地消除了自然光线、散射光线和衍射光线对系统的干扰，使激光光斑图像保持稳定，起到提高系统精度的作用，得到了较为理想的结果。
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