Press down and hold the tuning knob and lamp button while turning on the radio.
保持钮的按住状态，将按钮和轴拉出开关。
Varying the voltage or the distance between the ground plate and the graphene alters the conductivity, "just like tuning a knob," Engheta said.
改变电压或是接地板与石墨层之间的距离都能改变传导率，“就像调节旋钮一样”，Engheta说。
When radios were first put in automobiles, we all discovered that manually tuning an analog radio with a rotating knob while driving was dangerous to your health.
当汽车第1次装上收音机时，我们就发现在行驶过程中旋转按钮手动调频会危及生命。
When radios were first put in automobiles, we all discovered that manually tuning an analog radio with a rotating knob while driving was dangerous to your health.
当汽车第1次装上收音机时，我们就发现在行驶过程中旋转按钮手动调频会危及生命。
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