| 单词 | quarter girth measure |
| 释义 | > as lemmasquarter girth measure quarter girth measure n. a method of measuring the cubic content of a tree trunk or similar piece of timber by dividing the product of its length in feet and the square of its quarter girth in inches by 144; = Hoppus n. ΘΚΠ the world > relative properties > measurement > the scientific measurement of volume > [noun] > determination of cubic content of a solid > specific system of cubic measurement centrobaric1624 off-square1662 Hoppus1894 quarter girth measure1909 1909 Jrnl. Royal Statist. Soc. 72 43 In the four principal forest kingdoms of Germany..the State forests aggregate 10,372,913 acres, the average annual yield per acre for 1907 being 53 cubic feet (quarter girth measure). 1954 W. E. Hiley Woodland Managem. ix. 127 Quarter girth or ‘hoppus’ measure. The volume of a felled log is determined by its length and the area of the cross section half way along it. The length is measured by a long tape,..and the middle girth by a specially marked short tape, known as a quarter-girth tape. 2003 G. Webster & H. A. Osmaston Hist. Uganda Forest Department 1951–1965 App. 130 Hoppus or Quarter-girth measure. < as lemmas |
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