... 三瓦特计方法 three-wattmeter method 三维电导率 three-dimensional conductivity 三位置继电器 three-position relay ...
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Equivalent thermal conductivity was introduced to simplify the structure of photonic crystal fiber, and then three dimensional temperature field model of photonic crystal fiber laser was established.
通过引入等效热传导率对光子晶体光纤结构进行简化，建立了光子晶体光纤激光器的三维温度场模型。
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