欧美日韩亚州综合,国产一区二区三区影视,欧美三级三级三级爽爽爽,久久中文字幕av一区二区不卡

In the past, if you needed a functional test system you had to choose between a complete custom solution — typically integrated by a local system integrator — or a standard, off-the-shelf applicationcentered system, typically delivered by an instrument vendor. Building custom solutions often involved major engineering effort and big expenditures, and the systems were sometimes hard to support and difficult to adapt for testing new products. The standard, application-centered systems often lacked flexibility and frequently relied on proprietary standards or software.