This paper researches the key technology of High Speed PCB Machine based on the current advanced technology and the characteristic of PCB 's mechanical processing.
本文结合目前的先进技术和印刷电路板机械加工的特点对快速PC B机的关键技术进行了研究。
This thesis analyses the existing XML report description scheme based on deep researches of current the applications of XML report.
本文在深入研究XML报表应用现状的基础上，分析了现有XML报表描述方案。
Current researches mainly focus on the UML-based object oriented software testing.
基于UML模型的面向对象软件测试是当前研究的热点。
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