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ionosphere是什么意思

ionosphere

英[aɪˈɒnəsfɪə(r)] 美[aɪˈɑ:nəsfɪr]

n.电离层

双语例句

1 . The ionosphere is that region of space contatining electrically charged species.: 电离层是指含有带电物质的空间区域.

2 . Its upper limit is determined by the conditions in the ionosphere .: 其上限由电离层的状态而决定.

3 . 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.

4 . Their main limitation is that they are incapable of rising to the ionosphere .: 他们主要局限性是不能上升到电离层.