The next month forecast equation for Taihu water level was established by this month precipitation around Taihu.

用环太湖地区的当月降水量建立下个月太湖水位的预报方程。

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Grass covering raised the moisture of the soil nearly by 1%, which most reflected the month of precipitation, there was no difference of grass covering in the non-rainfall or less rainfall month.

覆盖能提高土壤水分含量1%左右，但主要体现在降雨月份上，在非降雨月份或少降雨月份覆盖效果不显著。

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