Analyze the characteristics of process information and digital production in aircraft manufacture, demonstrate the effect of CAPP technique in process information management.
分析了飞机制造中的工艺信息以及数字化生产的特点，阐明CAPP技术在工艺信息管理中的作用。
The geological survey information of coal mine is concentrated reflection of "Digital Coal Mine", which is very important basis of the manufacture and management of coal mine.
煤矿地测信息是煤矿地质测量工作的集中反映，是煤矿生产和管理工作的重要依据。
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