The use of notebook PC and USB data acquisition card makes it convenient for carrying and adapt to engineering test spot.
笔记本式电脑和USB数据采集卡的使用则使系统携带方便，适用于工程现场测试。
The second one is integrated signal acquisition device made up of sensor, front end circuit, data-showing meter, USB data acquisition card and power supply.
集成式信号采集装置包括传感器、前置器、数显表头、USB数据采集卡和供电电源；
Data acquisition card designed by low power chip C8051F320 with USB interface, VI about electrical parameter's analysis, manage and display, were introduced.
介绍一种集成usb接口的低功耗微处理器c 8051f 320设计的数据采集卡，和分析、处理、显示电参数的虚拟仪器。
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