conscribe 发表于 2025-3-25 06:17:54

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走调 发表于 2025-3-25 11:32:46

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卡死偷电 发表于 2025-3-25 11:57:48

Direct Observation of the Mechanism of Glacier Sliding over Bedrock,der of 50 per cent of the total surface velocity of typical valley glaciers in their thicker parts, the remainder being due to internal deformation within the ice (J. A. F. Gerrard, M. F. Perutz and A. Roch, 1952; J. G. McCall, 1952; W. H. Mathews, 1959; R. L. Shreve, 1961; J. C. Savage and W. S. B. Paterson, 1963).

Aids209 发表于 2025-3-25 17:44:13

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共栖 发表于 2025-3-25 22:09:57

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Pathogen 发表于 2025-3-26 02:57:31

Viola Haverkamp,Franz Jostkleigreverosion. The papers and extracts in this anthology have been selected to span the period beginning with some of the earliest pioneer investigations into glacier movement and glacier erosion processes, and leading up to the research of the last two decades in which great advances in our knowledge of those processes have been achieved.

吹牛者 发表于 2025-3-26 07:30:14

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LATER 发表于 2025-3-26 08:52:09

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严重伤害 发表于 2025-3-26 15:34:50

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Ringworm 发表于 2025-3-26 17:11:00

Tschechische Einblicke und Aussichten,f these are so associated with glacial sculpture and striation as to indicate that they are of glacial origin. They all occur characteristically in sets, the members of each set succeeding one another in the direction of ice motion and each individual marking having its longer axis athwart the direction of ice motion.
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查看完整版本: Titlebook: Glaciers and Glacial Erosion; Clifford Embleton Book 1972 Macmillan Publishers Limited 1972 eros.erosion.glacial