This method includes an electrostatic spherical grid retarding spectrometer with a post focusing system.
球面栅静电减速谱仪具有后聚焦系统。
This paper introduces many advantages about fhe focusing system witha grid electrode for DGS LLLTV camera tube.
本文通过计算结果叙述了DGS型微光摄象管移象段栅极调焦系统的多方面的优点；
This paper introduces many advantages about fhe focusing system witha grid electrode for DGS LLLTV camera tube.
本文通过计算结果叙述了DGS型微光摄象管移象段栅极调焦系统的多方面的优点；
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