| 单词 | test-body |
| 释义 | > as lemmastest-body test-body n. Physics the imaginary object on which a thought-experiment is carried out. ΘΚΠ the world > matter > physics > [noun] > specific concepts or principles of > imaginary experiment > object of test-body1920 the world > matter > physics > quantum theory > quantum mechanics > quantum electrodynamics > [noun] > object of experiment test-body1920 1920 A. S. Eddington Space, Time & Gravitation iv. 64 A massive body, such as the earth, seems to be surrounded by a field of latent force, ready, if another body enters the field, to become active, and transmit motion. One usually thinks of this influence as existing in the space round the earth even when there is no test-body to be affected. 1955 L. Rosenfeld in W. Pauli Niels Bohr & Devel. Physics 71 This meant that in studying the measurability of field components we must use as test-bodies finite distributions of charge and current, and not point charges. < as lemmas |
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