| 单词 | median valley |
| 释义 | > as lemmasmedian valley median valley n. Physical Geography a submarine valley which lies along the axis of a relatively slow-spreading oceanic ridge. ΚΠ 1960 Deep-sea Res. 6 204 The postulated Median Valley along the Mid-Atlantic Ridge swings eastward around South Africa. 1977 A. Hallam Planet Earth 98 At the precise center of most slow-spreading ridges is an especially deep valley, known as the median valley. < as lemmas |
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