 |
| |||
| 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 | |||
| ionosphere | |||
|
ionosphere : 27 фраз в 5 тематиках |
| Естественные науки | 3 |
| Информационные технологии | 1 |
| Медико-биологические науки | 10 |
| Связь | 2 |
| Электроника | 11 |