spherically stratified ionosphere

• 电离层； 球面分层

spherically stratified ionosphere的用法和样例：

例句

1. Its upper limit is determined by the conditions in the ionosphere.
   其上限由电离层的状态而决定。
2. Rockets and artificial satellites can go far above the ionosphere.
   火箭和人造卫星能够到达电离层以上极远的地方。