英语语法分析

The trade wind cell is, on the average, confined to 30 degrees poleward of the equator.

平均来说，信风圈限于离赤道（向极地方向）30度的纬度带里。

The trade wind cell is, on the average, confined to 30 degrees poleward of the equator.

平均来说，信风圈限于离赤道(向极地方向)30度的纬度带里。

However, due to the sluggish nature of the current solar cycle, it is unknown whether this poleward rush will happen at all.

但是因为现有太阳周期并不活跃，磁场漂移是否会发生还完全不清楚。