另外，正离子浓度和单极系数与海拔高度和宇宙射线呈正相关、负离子浓度与此无相关。

Besides the ion concentration was in Correlation with the height above sea level and cosmic rays, while negative ion was not.

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另外，正离子浓度和单极系数与海拔高度和宇宙射线呈正相关、负离子浓度与此无相关。

Besides the ion concentration was in Correlation with the height above sea level and cosmic rays, while negative ion was not.

youdao