研究者们现已改良了石墨烯的生产工艺，正忙于将其转化为低功率电子元件，比如晶体管。
Researchers have now refined the production technique and are busy turning graphene into low-power electronic components such as transistors.
当初强韧可靠的晶体管取代了脆弱不稳的真空管，为电子元件带来了飞跃性的进步。
ELECTRONICS made a huge leap forward when the delicate and temperamental vacuum tube was replaced by the robust, reliable transistor.
你可以使用一个便宜的npn型晶体管，比如2n2222，放大该脉冲到后续电子元件的接口。
You can use a cheap NPN transistor such as a 2n2222 to amplify this pulse, to interface with the next stage of electronics.
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