这种器件要实用化，急需提高阴极的电子发射率。
This device must have higher electron emission efficiency for practical application.
在文中也给出了某些典型圆筒、圆锥空腔在电子计算机上求得的一些典型有效发射率分布曲线。
Some typical results of the cylindrical and conical cavities have beer solved ona digital computer and given here.
在文中也给出了某些典型圆筒、圆锥空腔在电子计算机上求得的一些典型有效发射率分布曲线。
Some typical results of the cylindrical and conical cavities have beer solved ona digital computer and given here.
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