热层：加热过程，密度增长，在高纬的扩张。
Thermosphere: Heating, density increase, expansion at high latitude.
相比较而言， 针叶林及高纬地区森林具有较高的养分利用效率。
Moreover, coniferous forests and those in high latitude zones have higher efficiency in nutrient use.
本文利用EISCAT雷达资料讨论磁层-电离层耦合的高纬电离层效应。
The data observed by EISCAT are used to study the effect of the magnetosphere-ionosphere coupling on the high latitude ionosphere.
应用推荐