本文主要工作是搭建吸波材料变温测试系统平台。

This thesis is about to establish RAM temperature change measurement system.

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最后一章是结论，是对本文主要工作和特点的总结。

Last the chapter is a conclusion, is to this article prime task and the characteristic summary.

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如何降低阴极上的极化损失，是本文主要工作之一。

So, one of the major tasks in this article is to reduce the cathode losses.

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