1)normal fire season,正常火险季节2)normal fire season,正常火灾多发季节3)forestry fire risk season,森林火险季节4)peak fire season,火险高峰季节5)seasonal monthly average,火险季节每月平均数6)Semiannual anomaly,季节异常
用法例句
The results show:The annually average forestry fire risk season exceeds 200 days in the district.