Printed circuit board (PCB) is an important electronic material, as support and electric joint of electronic component, the surface of PCB is covered by a layer of copper. The PCB may be disabled if copper on its surface corroded.
印刷电路板是一种重要的电子材料,它是电子元器件的支撑体,是电子元器件电气连接的提供者,它的腐蚀破坏主要是表面的铜发生多种形式的局部腐蚀。
参考来源 - 印刷电路板的腐蚀行为及其影响因素研究However quality management of electronic component packing material enterprise in china is relatively poor, compared with developed countries.
然而,目前我国电子元器件包装材料企业的质量管理较差,与国外同类企业相比还有一定的差距。
参考来源 - 必佳公司质量管理现状分析与改进对策研究 (研究生论文)This make the paper innovative and operational. I hope the research of this paper can make the practical guidance in the electronic marketing for domestic electronic component companies.
希望本论文研究成果能对国内电子器件公司的电子器件营销方面的工作有现实的指导意义。
参考来源 - 多主体参与的电子器件市场服务营销系统·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
Piezoelectric electronic component, and production method therefor, communication equipment.
压电电子元件,其制造工艺,和通信装置。
Then, the main power circuit taking electric electronic component IGBT as key device is designed.
设计了以电力电子元件IGBT为核心器件的功率主电路。
ECM electronic component recognition system is an example of Automated Visual Inspection technology.
ECM电子器件识别系统就是计算机视觉检测技术的应用实例。
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