首页 > Term: ionosphere
ionosphere
The region of the atmosphere, extending from roughly 70 to 500 kilometers altitude, in which ions and free electrons exist in sufficient quantities to reflect electromagnetic waves.
- 词性: noun
- 行业/领域: 军事
- 类别 Missile defense
- Company: U.S. DOD
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创建者
- mf1967
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(Oklahoma, United States of America)