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单词 moor pan
释义

> as lemmas

moor pan
moor pan n. = moor-band n.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > earth or soil > [noun] > subsoil > hard subsoil
pan1667
moor-band1800
hardpan1803
moor-band pan1844
moor pan1846
ortstein1903
1846 J. Baxter Libr. Pract. Agric. (ed. 4) II. 306 The sub-soil plough was used for breaking the moor-pan.
1927 Jrnl. Ecol. 15 161 The Bunter heaths show edaphic characters peculiar to the heath formation, namely, the formation of a thin surface peat and of a layer of moor pan.
extracted from moorn.1
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更新时间:2024/12/24 7:25:36