当新的刺激出现时，心脏和呼吸监测仪为研究者提供其心跳或呼吸的次数。
Heart and respiration monitors provide the investigator with the number of heartbeats or breaths taken when a new stimulus is presented.
基于89c55设计了多功能心脏电生理程控刺激仪，给出了硬件设计电路和软件的系统结构。
The programmed multifunction electrophysiological heart stimulator is designed on the basis of 89c55, and its hardware design circuit and software system structure is presented.
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