“terracing”的概念、定义、翻译、参考文献-科学参考

terracing

Astronomy

Stepped terrain found around the inside slopes of larger impact craters. Terraces are usually found in impact craters bigger than about 20 km. They may also occur within volcanic craters, particularly collapse craters and calderas. Terracing is caused by the slumping and sliding of large blocks of land down the steep inner crater slopes.

Geography

The construction of a series of horizontal levels built on a hillside, especially in upland or piedmont zones, in order to retain water and reduce soil erosion (C. Barrow (1999), Chen et al. (2007) PPG 31, 4); terracing technology is intimately related to irrigation and the availability of water. Ye and Yang (2002, J. Chongqing U., Nat. Sci. Ed. 25, 6, in Chinese, with English abstract) suggest that slopes of less than 8° are more suitable than steep slopes for changing into terraces. The terrace is a highly variable and only sometimes distinctive cultural artefact (Field (1966) DTC AD0679468).

单词	terracing
释义	terracing Astronomy Stepped terrain found around the inside slopes of larger impact craters. Terraces are usually found in impact craters bigger than about 20 km. They may also occur within volcanic craters, particularly collapse craters and calderas. Terracing is caused by the slumping and sliding of large blocks of land down the steep inner crater slopes. Geography The construction of a series of horizontal levels built on a hillside, especially in upland or piedmont zones, in order to retain water and reduce soil erosion (C. Barrow (1999), Chen et al. (2007) PPG 31, 4); terracing technology is intimately related to irrigation and the availability of water. Ye and Yang (2002, J. Chongqing U., Nat. Sci. Ed. 25, 6, in Chinese, with English abstract) suggest that slopes of less than 8° are more suitable than steep slopes for changing into terraces. The terrace is a highly variable and only sometimes distinctive cultural artefact (Field (1966) DTC AD0679468).
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