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1. The dual-grid tube is used in the electronics industry for signal amplification and filtering.
双栅管在电子行业用于信号放大和滤波。
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2. The new dual-grid tube has a higher power efficiency than its predecessors.
新型双栅管的功率效率比前代产品更高。
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3. The dual-grid tube is a critical component in many high-performance electronic devices.
双栅管是许多高性能电子设备中的关键组件。