两周后，医生将电极连接到手腕，将脉冲发送到大脑。
After two weeks, the doctors attach electrodes to each wrist that send pulses to the brain.
两个脉冲发送转(在相反方向)：一个脉搏每180度。
TWO pulses sent by turn (in opposite direction) : One pulse each 180 degrees.
文中重点讨论了此类软数控系统中脉冲时间间隔的控制问题以及端口脉冲发送的计算方法和技巧。
The focus is placed on the controlling of the time interval of the two pulses which are send to stepping-motor drivers and the calculation f the output - number for bits on the I/O card.
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