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经我刊与广大读者和众多厂商的共同努力,在“测试技术与自动化”卷中除刊登大量的技术文章以外,还有许多测试仪器与设备的产品广告,后者已成为广大采购人员的“采购指南”。“货比三家”是大多数采购人员的采购准则。为了更加方便广大采购人员选购产品,为读者提供更深层次的服务,我刊又精选了一些测试仪器与设备的性能、价格资料,构成了本栏目——产品性价比。本期的“产品性价比”集中了多家厂商的信号发生器、元器件测试仪器和电源产品资料,希望能有助于广大采购人员对这类产品的选购。
Through the joint efforts of our publication and readers and numerous manufacturers, in addition to publishing a large number of technical articles in the “Testing Technology and Automation” volume, there are many product advertisements for testing instruments and equipment, and the latter has become the majority of procurement personnel.“ Purchase Guide.” “Comparing goods” is the procurement criteria for most purchasers. In order to make it more convenient for the general procurement staff to purchase products and provide readers with more in-depth services, our publication has also selected a number of performance and price data for test instruments and equipment, which constitutes this column—product price/performance ratio. This issue of “product price/performance ratio” focuses on the information of signal generators, component test instruments, and power supply products from a number of vendors, hoping to help purchasers purchase these products.