英语词汇poor vacuum怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
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。
2
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。
3
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。

单词	poor vacuum
释义	poor vacuum 简明释义不良真空，低真空：指真空度较低的状态，不符合要求或不理想的真空状态。网络释义 1 ?不良真空 ... 低劣品质 poor quality 不良真空 poor vacuum 群体；族群；全体 population ... 双语例句 1 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。 2 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。 3 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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