The variable capacitor was in poor condition when I received it.

可变电容器状况很差,当我收到它.

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A concave shape micromachined variable capacitor was presented which has high Q and wide tuning ranges.

提出了一种高Q值、宽调节范围的凹型结构微机械可变电容.

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Big coils and air gap type variable capacitor give higher Q factor and increase selectivity.

大的卷和空气缝隙类型变数电容器给较高的Q因素而且增加选择性.

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