Under repetitively pulsed operation, this cathode exhibited a good shot-to-shot reproducibility even in poor vacuum.
根据脉冲重复操作，这即使在贫穷阴极真空展示一个良好的拍摄到镜头的重现性。
The combination of vacuum tube encapsulation KUVAG fixation poor, poorer buffer capacity.
KUVAG固封的真空管包封的结合性较差，缓冲能力也差一些。
At present, the technique of vacuum coating has been widely used in our country. But the airtightness of the vacuum coating equipment is poor.
真空镀膜技术，目前在国内已经广泛地应用，但是，真空镀膜设备存在着气密性差的问题。
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