一、概述灰色系统理论是80年代邓聚龙教授创建的新型理论，并已跨出控制领域而渗透到社会经济各个领域，运用该理论建立的灰色系统模型，可对系统的发展变化进行全面的分析观察作出长期预测。灰色系统理论用于通风设计中的风筒漏风、风阻、风压损失预。测，对通风具有重大的指 I. Overview Gray system theory is a new theory created by Prof. Deng Ju-long in the 1980s and has penetrated into the control field and penetrated into all fields of the social economy. By using the gray system model established by this theory, a comprehensive analysis of the development and changes of the system can be made Make long-term forecasts. Gray system theory used in ventilation design duct leakage, wind resistance, wind pressure loss of pre-. Measured, on the ventilation of major means