The relative principles of expert system, its characteristics, advantages and the differences between expert system and routine system are also introduced.

介绍了专家系统的相关原理和它的特点与优点以及专家系统和常规系统的区别。

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The floristic characteristics of Machilus versicolora community in Mangdangshan Nature Reserve in northern Fujian were studied with the methods of typical investigation and routine survey.

采用典型调查与线路调查相结合的方法，对茫荡山自然保护区黄枝润楠群落的植物区系进行调查分析。

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The near infrared spectroscopy (NIR) technique's principle and the characteristics to enhance obviously the efficiency of routine analysis are introduced.

介绍了近红外光谱快速分析技术提高分析工作效率的原理和特点。

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