第三部分：分析工业科普旅游的内涵、特征；
The third part: Analytic industry popular science tourism connotation and characteristic.
介绍工业需水量预测的主要方法，综合分析工业需水量预测中的风险因素。
This paper introduces the main method to predict industrial water requirement, to analyse totally risk factors in prediction of industrial water requirement.
分析工业X射线底片焊缝缺陷特征，建立用于焊缝缺陷分类识别的模糊推理系统模型。
Weld defects classification system based on fuzzy reasoning model was established, after analysis of weld defect features in X-ray films.
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