iPod touch依靠位于保护膜之下的一层电容材料来达成上述功能。
The iPod touch does this using a layer of capacitive material under a protective covering.
本篇论文主要采用FR406埋入电容材料结合现有的生产设备及条件参数进行工艺兼容性的研究。
In this paper we briefly evaluated the processing compatibility of the FR406 BC materials with existing equipments and process parameters.
超级电容也有两块金属片，但其外面有海绵状的多空材料，即活性炭涂层。
Ultracapacitors also have two metal plates, but they are coated with a sponge-like, porous material known as activated carbon.
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