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报道了一种新型高选择性汽油敏感元件，该元件采用互补反馈原理及实现该原理的元件结构（Ｎ—Ｎ型结构），提高了元件的选择性，同时还具有良好的抗环境温、湿度的能力。
A new type of highly selective gasoline sensing element is reported. The element adopts the complementary feedback principle and the element structure (N-N type structure) which realizes this principle, which improves the selectivity of the element and has good resistance to ambient temperature and humidity Ability.