与原节点数据相比，流量和效率特性拟合回代值的平均相对误差分别为0.675%和0.534%。
As compared with the original data, the average relative errors of the corrected flow and efficiency obtained from the model are 0.675% and 0.534% respectively.
本文以超声测流为主要研究对象，建立了流量最优解算方程，分析了其误差特性。
Taking acoustic flow measurement as an object of study the author has proposed an optimum formula, and its error analysis is made.
详细给出了湿式气体流量计的具体结构以及测量原理，并分析了其示值误差特性和回转误差特性。
The specific structure and measuring principle of the wet type gas flowmeter are given in detail; and the characteristics of indication error and cycling error are analyzed.
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