BPFLD - X型吸波材料是一种平板状的聚氨酯泡沫吸波材料，采用优质聚氨酯泡沫经过浸碳工艺生产而生，具有良好的电磁波吸收性能及防火性能。
BPFLD-X is a range of flat absorbers consisting of a single of polyurethane foam with a dielectric carbon solution, a binder and a fire retardant.
平面电磁波作为一种理想的电磁波型，其在均匀介质中的传播特性分析是电磁场理论基础教学的核心内容。
The basic relation equations connecting electric field and magnetic field in a plane electromagnetic wave are simply derived, and the characteristics of the electromagnetic wave are discussed.
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