Electroluminescence (el) has been widely used as a tool to study the trap character, the charge storage and transport, the structure transformation and molecular motion in insulating polymers.

电致发光(EL)是一种研究聚合物中陷阱特性、空间电荷的存贮和输运特性、聚合物的结构转变和分子运动的重要工具，现已获得广泛应用。

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Insulating Oil Testers is a kind of effective tool for testing the dielectric oil breakdown voltage in power field.

绝缘油击穿电压测试仪就是电力系统中测试绝缘油耐压强度的测试仪器。

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