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单词 ton-force
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ton-force
ton-force n. (pl. tons-force) a unit of force equal to the weight of a mass of one ton, esp. under standard gravity.
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the world > matter > physics > mechanics > force > [noun] > units of force
pound-weight1824
pound-force1865
gram weight1871
dyne1873
kilodyne1873
poundal1875
Gramme1884
Newton1904
kilogram force1905
gram force1909
kip1915
N1951
lbf1961
ounce-force1961
ton-force1961
1961 B.S.I. News Oct. 26/2 A similar distinction is made between..ton (no abbreviation) and ton-force (tonf).
1972 Physics Bull. May 285/1 The 50 tonf dead~weight standard was originally designed to give forces only in units of tons-force.
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更新时间:2025/1/24 13:20:00