The double W logo is stitch work, not screen - printed!

帽夹的图案不是印刷的唷,而是缝上去的!

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The relationships among microstructure, emission properties and electrical characteristics of screen - printed CNT cathode were studied.

研究了不同碳纳米管含量的冷阴极的场发射特性与其微结构和电学特性的关系.

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