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本文为ApplelⅡ微型计算机提供了一种廉价的高精度低速数据采集系统。该系统的采样频率为3Hz,精度为1/20000,并拥有8个模拟输入通道,适用于仪表自动记录等低速环境。
This article provides an inexpensive high-precision low-speed data acquisition system for Apple II micro-computer. The system’s sampling frequency of 3Hz, accuracy of 1/20000, and has 8 analog input channels for automatic recording instruments such as low-speed environment.