If a heart beats too slowly, the pacemaker will use electrical signals to help set a normal rate.
VOA: special.2010.06.02
They're producing electrical signals in the brain they're not recording from the brain, but it's not that big of a difference.
它们只能向大脑发出信号,而不能记录反馈大脑的信号,但是这两者技术要求差别不大
Here is as pacemaker and this pacemaker does the same thing that a heart pacemaker does, it generates periodic electrical signals.
它和心脏起搏器发挥的作用相似,发出周期性的电信号
The idea is to activate the remaining arm nerves to make electrical signals to operate prosthetic devices.
VOA: special.2009.03.10
Now if the spinal cord is injured, for example, what we propose to do is to tap into the electrical signals associated with individual neurons.
现在,如果脊髓受到伤害,我们建议去接近与单个神经元,相联系的电子信号。
So, in order to have fast transmission you do that by transmitting electrical signals; that happens pretty quickly.
所以 为了使信号迅速地传播,细胞使用电信号,它速度非常快
We're used to thinking about sound being tranduced; being converted by acoustic waves into electrical signals that can be recognized by your iPods.
我们想想声音信号的转换过程,声音由声波转化为电子信号,你的iPod能够识别这种信号
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