采用单片机控制交流电机PWM变频调速，可实现全数字化控制。
Using alternating dynamotor PWM frequency conversion governing controlled by single chip computer can realize digitized control.
由于采用单片机控制技术，从而保证了系统的显示精度和运行可靠性。
Due to applying single chip computer control technique display precision and operation reliability can be ensured.
该仪器采用单片机控制，具有电路简单，成本低，软件易于实现等优点。
This instrument adopts single-chip computer controlling and has the advantage of simple circuit, low cost and easy program.
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