新系统真空度稳定，调节方便，极大的提高了产品质量和产量。
The vacuum degree of new system operated easily is stable, it improves the output and quality.
本文简要地介绍了利用单片机实现真空度稳定控制的工作原理，阐述了软、硬件的具体实现方法。
In this paper, briefly introduce the operation principle to control the vacuum stability with the computer on slice and the detail method of hard and soft ware.
影响碳纳米管阴极场发射稳定性和寿命的主要因素有真空度、场发射过程中的热效应以及场发射体对场发射电流的承载能力等。
Field emission stability and life time of CNT cathode is closely related with the vacuum level, thermal effects during the emission and the current transport capability.
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