求翻译：虚拟仪器技术就是利用高性能的模块化硬件，结合高效灵活的软件来完成各种测试、测量和自动化的应用。虚拟仪器具有四大优势：1.性能高，2、扩展性强，3、开发时间少，4、无缝集成。虚拟仪器的发展随着微机的发展和采用总线方式的不同，可分为五种类型：1、PC总线——插卡型虚拟仪器，2、并行口式虚拟仪器，3、GPIB总线方式的虚拟仪器，4、VXI总线方式虚拟仪器，5、PXI总线方式虚拟仪器。是什么意思？

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Virtual instrument technology is to use high-performance, modular hardware, in combination with highly efficient and flexible software to accomplish various testing, measurement and automation applications. Virtual machines with 4 major advantages: 1, 2, and high-performance . scalable, 3, 4, and le

The hypothesized instrument technology is uses the high performance the modular hardware, the union highly effective nimble software completes each kind of test, the survey and the automated application.The hypothesized instrument has four big superiority: 1. performance are high, 2, extended, 3, th

Virtual instruments technique is the use of high-performance modular hardware, combined with efficient and flexible software to complete a variety of test, measurement and automation applications. Virtual instrument has four advantages: 1. high performance, 2, scalability, and 3, less development ti