基于USB数据采集卡的数据采集，并且是多通道数据的采集并时实的显示。-USB data acquisition card based on data collection, and is multi-channel data acquisition and real-time display.

多通道数据采集卡的资料，能了解采集卡的型号以及使用。-Multi-channel data acquisition card information, to understand the model and the use of acquisition cards.