介绍大型焦炉边火道温度偏低的原因，针对其原因采取适当的技术措施，并提出改进的方案。
The reasons of lower temperature on end flue of high capacity coke oven are stated, the suitable technical measures are taken against these reasons and the improved proposal is given.
本文通过对电离层形态结构的分析以及建立适当的模型来讨论电离层折射对干涉仪输出的影响，并提出了改正方案。
The influence of ionospheric refraction on the output of interferometer is discussed and the method used to correct it is suggested.
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