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单词 gravitational mass
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gravitational mass
gravitational mass n. the mass of a body as measured by the force exerted on it by a gravitational field; cf. inertial mass n. at inertial adj. Compounds.
ΚΠ
1918 A. S. Eddington Rep. Relativity Theory Gravitation i. 11 In astronomy..the masses of heavenly bodies are measured by their gravitational effects; naturally we cannot legitimately apply (7.8) to gravitational mass without a full discussion of the law of gravitation.
1955 Sci. Amer. June 32/2 The theory of general relativity was constructed on the basis of a physical observation of the equivalence of inertial and gravitational mass under certain simple circumstances.
extracted from gravitationaladj.
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