| 单词 | polar wander |
| 释义 | > as lemmaspolar wander polar wander n. Geology = polar wandering n. ΘΚΠ the world > the earth > geodetic references > [noun] > pole > axis > movement nutation1703 pendulation1908 polar wandering1909 polar wander1957 1957 Philos. Trans. (Royal Soc.) A. 250 142 The rate of polar wander is very small compared with the average frequency of reversal of the geomagnetic field. 2001 A. G. Smith in R. Riding & A. Yu. Zhuravlev Ecol. Cambrian Radiation ii. 19 Some fundamental change in the behavior of the earth for this period, e.g...large components of ‘true’ polar wander, or a marked change in obliquity or climate. < as lemmas |
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