通过实验确定了最佳参数，其中包括：离化电子电流和电压、加速电压、阻止电势、供气压力等。
The optimum parameters, such as electron current and voltage for ionization, acceleration voltage, retarding voltage, gas inlet pressure, were determined by experiments.
电势的迭代计算采用多重网格加速收敛，用隐式残值光滑技术改善收敛速度以及时间推进过程的稳定性。
Other steps including multigrid techniques and residue smoothing were taken to accelerate the convergence rate and improve the calculation stability.
前人们所做的就是他们说让我们确定，一个能量单位用来代表一单位电荷，加速穿过形成的一单位电势差，我们叫它电子伏特。
What people did is they said let's define a unit of energy that represents a unit charge accelerated across a unit potential difference, and let's call that the electron volt.
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