说明：  LabVIEW函数和VI参考手册 包含：子VI，各种硬件连接口，数字信号处理，滤波，网络和通讯等描述。
(the manual contains descriptions of all virtual instruments (VIs) available for LabVIEW, including the following: • G functions and VIs • VIs that support the devices for data acquisition • VIs for GPIB, VXIbus, and serial port I/O operation • digital signal processing, filtering, and numerical and statistical VIs • networking and interapplication communications VIs)