The transmission of the earth wave is stable, hardly influenced by climate and its channel parameter does not change with time basically, it is Constant Parameter Channel.

地波传播受天气的影响较小，比较稳定，信道参数基本上不随时间的变化而变化，是恒参信道。

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Intelligent defrost, set defrost parameter according to different regional climate condition, defrosts thoroughly.

智能除霜，可根据不同地区气候条件设定除霜参数，除霜更彻底。

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Based on a simple HVAC climate model, considered the effect of latitude, distributing of land and water, terrain and discrepancy on town and village, ascertained the parameter.

本文在一简化气象模型的基础上，综合考虑了纬度、水陆分布、地形以及城乡差异等多种因素的影响，并对参数加以确定。

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Climate sensitivity is a key parameter for estimating the long-term temperature increase expected from a doubling of the concentration of greenhouse gas emissions in the atmosphere.

FORBES: Climate Sins and the High Priests of Peer Review