For a given energy level in an electronic linac,the X-ray distribution is then a function of many factors including the target size and material.

 
  • 目前最經(jīng)常采用的靶材料是鎢,靶尺寸的選取則由加速器的能量等條件來(lái)決定。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan