该系统是以微型计算机为主，由脉搏传感器，程控放大器和多功能数据采集器组成。
The system is composed of microcomputer, sensor of pulse, program-control amplifier and data sampler.
指端脉搏波实验由光电传感器、生物信号放大器和示波器 3部分组成 ，叙述了各部分的工作原理和实验方法 。
The experiment consists of photoelectric sensor, bio-signals amplifier and oscillograph, their working principle and experimental method are introduced.
指端脉搏波实验由光电传感器、生物信号放大器和示波器 3部分组成 ，叙述了各部分的工作原理和实验方法 。
The experiment consists of photoelectric sensor, bio-signals amplifier and oscillograph, their working principle and experimental method are introduced.
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