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

耶鲁公开课 - 生物医学工程探索课程节选

It changes as fast as technology and communications change.

它变化的速度不亚于科技和传播,变化的速度。

麻省理工公开课 - 媒体、教育、市场课程节选