Results show that the cost flow method is simple and effective with less steps and small cumulative error.
算例结果表明：费用流法计算简洁、中间步骤少、累计误差小，是计算输电费简单有效的方法。
It analysis the feasibility of this method with the improvement of flow efficiency and the diversification flow cost.
通过物流效率的改善和物流成本的变化情况分析该方法的可行性。
The cost is high and the error is big in volumetric flow measurement method and velocity measurement.
容积式流量测量方法和速度式流量测量方法存在费用高，误差大的缺点。
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