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单词 under-bark
释义 ˈunder-bark, a. (and adv.)
[under-2.]
Measured or taken without including the bark of a tree trunk. Also as adv. Cf. over-bark.
1911C. L. Hanson Forestry for Woodmen xiv. 192 If it [sc. a log] is 16 inches over bark it will be taken as 15 inches under bark.1927Forestry I. 8 Sample plots..gave the age as 123 years..and the underbark quarter girth volume per acre over 8,000 cubic feet.1953H. L. Edlin Forester's Handbk. xiv. 215 Under-bark measure is strictly the volume of the log as measured after the bark has been peeled off it; but in practice it is often taken as the over-bark measure less the customary bark allowance.1967Scott & Palmer Hiley's Woodland Managem. (ed. 2) ix. 130 Prices which are quoted for timber nearly always apply to the under-bark measurement.
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