The design of the gun is commonly defined by perveance, beam current, waist radius, waist position and cathode current density.
它的设计主要有导流系数、流、
半
、
置
及阴极
流密度。
子管导系数The design of the gun is commonly defined by perveance, beam current, waist radius, waist position and cathode current density.
它的设计主要有导流系数、流、半、置及阴极流密度。
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