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small/low fee

双语例句

  1. The study result shows that the planar film structure is conformable for FEE cathode, because it has low voltage threshold and small range of energy distribution of the emitted electrons.
    分析结果表明，宽带隙平面薄膜结构用作场致电子发射阴极，具有发射电压的阈值低，发射电子的能量分布范围小等优点。