In the process of field emission, the secondary electron emission is inevitable.
场致发射过程中，二次电子发射现象不可忽视。
The result revealed that the film could be a good kind of field electron emitter.
实验结果表明该薄膜是一种好的场致电子发射体。
When we put an electron in an electric field, we say it is "pulled".
当把一个电子放入电场时，我们就说它受到拉曳。
When we put an electron in an electric field, we say it is "pulled".
当把一个电子放入电场时，我们就说它受到拉曳。
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