| 释义 |
polygonboden Physical Geogr.|ˈpɒlɪgənˌbəʊdən|
Const. as pl.
[a. G. polygonboden, lit. ‘polygon ground’, tr. Sw. rutmark chequered ground (F. R. Kjellman 1879, in Öfversigt af K. Vetenskaps-Akad. Förhandl. XXXVI. ix. 11).]
Polygons (sense A. 2 b).
1924Geogr. Jrnl. LXIII. 226 Schimper..saw well-developed ‘polygonboden’ and arrangement of vegetation with respect to the polygons, in the high plateaux of the Pamirs. 1933Bull. Geol. Soc. Amer. XLIV. 949 Numerous minor forms, including polygonboden, increase the contrasts between alpine surfaces and those of lower elevations. 1947Geogr. Rev. XXXVII. 640 Plainly visible..are the polygenboden, a phenomenon of frozen ground. 1970Macdonald & Abbott Volcanoes in Sea viii. 150/1 The fragments..are arranged in stripes of varying coarseness, or in polygonal patterns (‘Polygonboden’), that..are the result of frost action. |