求翻译：本文基于虚拟仪器技术，利用USB数据采集卡，采用LabVIEW软件设计了虚拟函数信号发生器、虚拟示波器、虚拟电压表、虚拟数字万用表、实时谐波分析仪、等实验教学仪器。这些仪器构成了这个虚拟实验平台。开发出这些能够满足现代实验教学要求、物美价廉的实验教学仪器，对提高实验教学水平有着重要意义。是什么意思？

Based on virtual instrument technology, the use of usb data acquisition card using labview software designed virtual function signal generator, a virtual oscilloscope, virtual voltmeter, digital multimeter, harmonic analyzer in real time, experiment teaching instrument. These instruments constitute

This article is based on virtual instrument technology, data acquisition card USB LabVIEW software design, with the virtual function signal generator, the virtual oscilloscope, voltmeter, virtual virtual number 10,000 , with real-time harmonic analysis, and experimental teaching equipment. These ins

This article based on the hypothesized instrument technology, uses the USB data acquisition card, used the LabVIEW software to design the hypothesized function signal generating device, the hypothesized oscilloscope, the hypothesized voltmeter, the hypothesized digital multitester, the real-time har

This article is based on the virtual instrument technology, the use of USB data acquisition card, using LabVIEW software to design a virtual function signal generator, virtual, virtual Oscilloscopes digital multimeter, voltmeters, virtual real-time harmonic analyzers, and other experimental teaching