This data series is not adjusted for seasonal variation .

这组数据也不经过季节性因素的调整。

Tadpole shrimp live in seasonal , freshwater ponds .

恐龙虾生活在季节性的淡水湖泊里。

But so is seasonal flu .

但季节性流感也是如此。

This decline was partly seasonal .

这种下跌部分是季节性的。

Seasonal factors are at play in the recovery .

季节性因素在反弹之中起了作用。