实践证明，在覆膜阴极表面构造均匀弥散分布的岛状晶体发射点，可大幅度提高阴极的电子发射性能。
It is proved that electron emission performance of M-type cathodes can be greatly improved by building uniformly dispersed island-shape crystal emission spots.
实践证明，在覆膜阴极表面构造均匀弥散分布的岛状晶体发射点，可大幅度提高阴极的电子发射性能。
It is proved that electron emission performance of M-type cathodes can be greatly improved by building uniformly dispersed island-shape crystal emission spots.
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