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单词 gravitational unit
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gravitational unit
gravitational unit n. a unit the value of which depends upon the value of g, the acceleration due to gravity; formerly called gravitation unit.
ΚΠ
1896 E. L. Nichols & W. S. Franklin Elem. Physics I. iii. 31 (heading) Gravitational units of force.
1923 H. Moore Textbk. Intermediate Physics viii. 67 The English gravitational unit of power is one foot-pound per second.
1954 Amer. Jrnl. Physics 22 293/2 The gravitational unit of force..is related to the weight of the standard object.
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