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| ionosphere A region of the earth's atmosphere, extending from about 60 to 1000 kilometers above the earth's surface, in which there is a high concentration of free electrons formed as a result of ionizing radiation entering the atmosphere from space | |||
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ionosphere : 27 фраз в 5 тематиках |
| Електроніка | 11 |
| Зв’язок | 2 |
| Інформаційні технології | 1 |
| Медико-біологічні науки | 10 |
| Природничі науки | 3 |