specimen screen 中文意思是什麼
specimen screen
解釋
樣品屏-
This is achieved experimentally by focusing the selector aperture on the final screen using the diffraction lens, which is most accurately done after removing the objective aperture, and then ( after replacing the objective aperture ) focusing the specimen using the objective lens only
這已經通過使用衍射透鏡在最終屏幕上聚焦選擇孔實驗性的完成,此方法多數能在移動目標孔后準確完成,然後(重置目標孔后)僅通過目標透鏡聚焦樣本。
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