Methane density monitoring system based on PROFIBUS technology was introduced in this paper. It also displayed simplified flow process chart.

介绍了基于PROFIBUS的甲烷浓度监测系统，给出了部分简化程序流程图。

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In May, the U.S. Justice Department's inspector general issued a report on the watch-list process, including a flow chart describing how anyone suspected of terrorist ties passes through a series of lists, the most serious of which includes the Transportation Security Administration's no-fly list.

CNN: Air terror suspect was in database, not watch list