the part of the ionosphere (upper part of the earth's atmosphere) occurring between about 65 and 145km (about 40 and 90mi) above the earth's surface and containing the E layer
| 单词 | E region |
| 释义 | E regionnounthe part of the ionosphere (upper part of the earth's atmosphere) occurring between about 65 and 145km (about 40 and 90mi) above the earth's surface and containing the E layer |
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