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单词 v-shaped
释义

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V-shaped
V-shaped adj. spec. designating or pertaining to a valley having such a cross-section, esp. when contrasted with a U-shaped valley.
ΘΠ
the world > space > shape > angularity > specific angular shape > [adjective] > resembling specific letter
tee1819
V-shaped1835
V-d1881
ypsiliform1886
veed1934
the world > the earth > land > landscape > low land > valley > [adjective] > other types
subsidiary1826
V-shaped1835
diaclinal1874
anaclinal1875
antecedent1875
cataclinal1875
consequent1875
superimposed1875
epigenetic1888
subsequent1889
insequent1897
oversteepened1900
re-entrant1901
1835–6 Todd's Cycl. Anat. & Physiol. I. 202/1 A fissure or triangular V-shaped notch.
1843 Penny Cycl. XXV. 423/2 Tools..generally double-angular or V-shaped.
1872 E. Coues Key to N. Amer. Birds 103 A V-shaped black mark on side of head.
1894 Jrnl. Geol. (Chicago) 2 350 Glacial cañons are..U shaped rather than V shaped in cross-profile.
1907 Bull. Geol. Soc. Amer. 18 355 Downstream from the glacial region the valley ceases to be U-shaped. It becomes narrow and V-shaped, and the terraces die out.
1937 Geogr. Jrnl. 90 60 The verticality in all the hypsographs at low elevations is explained by the high coastal cliffs and deep V-shaped valleys which prevail.
1970 R. J. Small Study of Landforms i. 6 On the resultant maps..the forms of valley floors (whether V-shaped, rounded, or flat-bottomed)..[are] shown.
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