An implementation build-in PLC method using FPGA is put forward.

提出了一种用FPGA实现数控系统内置式PLC的方法。

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Royal Dutch Shell plc (“Shell”) continues to build a leading portfolio in North America tight gas, with new positions in high potential US shale gas acreage, in the Marcellus and Eagle Ford plays.

荷兰皇家壳牌公司继续在北美致密天然气蕴藏资源中取得领先优势，在马塞卢斯和伊格福特区的油气成藏组合中新增高储量油气层。

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This paper introduces the principle of a virtual build - in PLC and gives an example.

本文介绍了虚拟嵌入式PLC的原理并给出了一个实例。

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