程序运行表明，计算结果满足该系统对天然气流动状态及计量误差分析的要求。
The result of program operation shows the calculating result satisfies the requirements of natural gas flow state and measurement error analysis to the system.
用程序计算器进行天然气流量计算，可减少人为的查表和计算误差，操作也十分简便。
The calculation of natural gas flowrate with a programmable calculator can reduce human errors from consulting tables and calculation and its operation is very convenient.
经过实验证明，该方法用于测试天然纤维织物经铵化改性后的含氮量，其相对误差范围不超过5%，且简单易行。
It proves that this method can be ap-plied for examine the nitrogen content of natural fibre after quaternization. The relative tolerance is only be-low 5% and easy to operate.
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