Which one of the following printing devices USES an electrostatic process similar to a photocopying machine in order to produce a high quality printed form?
其中下列情形之一的印刷设备采用静电过程类似一台影印机，以生产高质量的印刷形式？
2
The experimental results of SDS-3 Ebeam lithography machine show that the aberrations of the electrostatic deflection are in the same order of the magnetic deflection.
由SDS-3电子束曝光机试验结果表明，复合静电偏转可以达到磁偏转相似的像差水平。
3
Based on the SDS-3 E-beam lithography machine, the electrostatic deflection of the folded plate structure was used instead of the electrostatic deflection of the plate.