The buckling spring method, unfortunately, has long been replaced by the rubber dome, where little sticks on the underside of the keys press down on rubber domes laid on a plastic underlay.

 
  • 后者的键帽下附有小按棒,按键被摁下时按棒就会触动分布在一层塑料薄膜上的橡胶圆点。
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