现场 1.(出事地点) scene 保护现场 keep the scene intact; 作案现场 the scene of a crime2.(工作地点) site; spot; on-site; work field 工作现场 worksite; 试验现场 testing ground; 奔赴现场 proceed to the spot; rush to the scene; 观看世界杯比赛的现场转播 watch the live telecasting of the world cup match; 警察被派往出事现场。 the policemen were dispatched to the spot. 人群围聚在受灾现场。 the crowds gathered about the scene of the disaster.; 现场报道员 anchorman; anchorwoman; 现场表演 on-the-spot demonstration; live demonstration; 现场采访 spot coverage; chat [talk] show; 现场查验 view of the scene; 现场调查 field survey; on-the-spot investigation; 现场服务 field service; 现场会议 on-the-spot meeting; 现场交货 delivery on spot; 现场教学 on-the-spot teaching; field teaching; 现场勘测 site investigation; 现场勘察 inspection of the scene of a crime; 现场消息 [新] spot news; 现场直播 live broadcast; 现场指导 on-the-spot guidance; 现场转播 live broadcast [telecasting]; telecast live
And the profibus is a kind of fieldbus broadly used in many situations of process control of industry such as automatization of processing , automatization of machining and automatization of building Profibus是国际上应用十分广泛的工业过程现场总线,主要应用于加工自动化、过程自动化、楼宇自动化等领域。
Taking the fieldbus control system of 750 v direct current power supply system in beijing metro line batong as an example , the application of the profibus technique in the power supply system of metro is discussed , and the hardware and software structure and principles of profibus are introduced 摘要以北京地铁八通线750v直流供电系统现场总线控制系统为例,介绍过程现场总线( profibus )技术在地铁供电领域的应用,论述系统的硬件、软件结构及其工作原理。