给出了电子束的横向温度随电极结构和螺线管纵向磁场的变化情况。
The electron beam transverse temperature variations with anode region and acceleration tube design parameters as well as the uniform solenoidal magnetic field are presented.
除了传统的螺线管，工作电极还可由打孔的金属筒、金属网、甚至复合材料制成。
Besides the traditional helical electrode, the working electrode can be cylinders made from metal plates, metallic meshes or even composite materials.
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