首先，本文介绍了生物组织的介电特性及微波检测的基础和背景材料。
At first, the dielectric characteristic of biology tissue, the bases of microwave detecting and background materials are introduced in this paper.
但绝大部份的结构材料在微波电场下却只有轻微的介电效应，其介电值主要在3至6之间。
However, most building material has very small dielectric effect under the field, its dielectric constant is from 3 to 6.
钛酸锌微波介质陶瓷因其优异的介电性能、较低的烧结温度，而被广泛应用于制备银、铜电极共烧中温低介微波材料中。
As ZnTiO3 has the outstanding dielectric property and low sintering temperature, it has been mixed with Ag, Cu, etc. to prepare electrodes at relatively low sintering temperature.
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