Tracheae system是什么意思

用法例句

Using system analytical method, a mathematical model for evaluating the efficiency of gas-distribution piping system was established, and the illation was made about efficiency of it in the realm of evaluation.

利用系统分析方法,建立了评价配气管网系统效率的数学模型,并延伸出评价区域配气管网效率的数学模型。