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1·The interrogation pulse, filter, signal amplifier, voltage comparator and the signal processing circuits are designed and realized.

设计并实现了激励脉冲发射电路、滤波、信号放大、电压比较、检波等信号处理电路。

2·The four traditional methods of diagnosis: observation, listening, interrogation, and pulse-taking.

传统中医的四种诊断方法：望闻问切。