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温度对土壤介电常数的影响规律研究
杜玉霞1(), 明锋1(), 赵淑萍2, 张淑娟1, 杨旭3
Investigation on the influence of temperature on soil dielectric constant
Yuxia DU1(), Feng MING1(), Shuping ZHAO2, Shujuan ZHANG1, Xu YANG3

图3. 矢量网络分析仪

Fig. 3. The vector network analyzer