Comparing the theory calculation and the experimental testing date . firstly , analyzing the same law to interpret the conditions of the equations accusative describing the air dealt with process and advancing the improving measures . secondly , analyzing errors 对理论计算及试验测定结果进行对比分析，一方面分析共有变化规律，以说明组合方程组较能准确描述实际处理过程的条件，从而验证组合方程组的合理性程度；另一方面分析误差产生原因，提出改进方法。
