electron emission的用法和样例：
例句
- A twodimensional model was used to simulate the processes of electron emission and beam transportation.
建立了二维数字模型，并对注入器的电子发射和束流传输过程进行模拟，模拟结果指导了实验调试。 - Furthermore, a field emission triode device using the self-organized nanodot arrays as electron emission source was proposed and fabricated.
本研究亦利用奈米点作为电子发射源制作场效发射三极体元件。
