提出并设计了大功率ups负载试验系统及其数据采集与监视模块，讨论了该系统的原理及硬件结构和软件设计。
Data acquisition and monitoring system of loading test of high power UPS modules are investigated and designed. The principle of the system, hardware structure and software design are given.
所设计的射频2W线性功率放大器是基于负载线匹配原理，采用功率回退法技术。
The 2W linear RF Power Amplifier in this paper is designed in Feedback method, based on Loadline Theory.
提出了一种大功率、大负载、长行程工作条件下，液压缸活塞与缸体之间、活塞杆与缸盖之间密封方式的设计方案。
Design blue print of the hydraulic cylinder seal style was put forward for the hydraulic cylinder with large power, larger load and long journey.
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