Helium ion microscopy (HIM) offers the highest spatial resolution surface imaging of any scanning beam method, as well as extremely high surface sensitivity.
氦离子显微镜能够提供所有扫描射线法中最高空间分辨率的表面图像，以及极高的表面灵敏度。
The law of 2d scanning beam-pointing drift wideband working plane phased array is revealed in this paper.
揭示了平面相控阵天线宽带工作时，两维扫描波束指向漂移的规律。
The influences of target motion on dose homogeneity and conformity degree were theoretically studied under the condition of the active raster-scanning beam delivery system.
从理论上研究了在主动型栅扫描束流配送系统下，靶体运动对靶区剂量均匀性以及重离子治疗适形程度的影响。
Background &Objectives:It was difficult to get a good tissued ose distribution using fixed field irradiation technique in large field. But the translating scanning beam irradiation can make it.
背景与目的：用固定野技术行特大野照射时，很难得到理想的组织剂量分布，而平移扫描式照射却能做到。
It has some important advantages such as wide Angle scanning, beam shaping, compact structure and low cost. These advantages make them very well suited to a number of military or civil applications.
它具有扫描角度宽，便于波束成形，结构紧凑、价格便宜便于大量生产等优点，所以在军事上和民用上有着广泛的应用前景。
It has some important advantages such as wide Angle scanning, beam shaping, compact structure and low cost. These advantages make them very well suited to a number of military or civil applications.
它具有扫描角度宽，便于波束成形，结构紧凑、价格便宜便于大量生产等优点，所以在军事上和民用上有着广泛的应用前景。
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