| 单词 | gravity meter |
| 释义 | > as lemmasgravity meter gravity meter n. = gravimeter n. 2. ΘΚΠ the world > matter > physics > mechanics > force > gravity > [noun] > instrument for measuring variation gravimeter1932 gravity meter1941 1941 J. M. Bruckshaw in Proc. Physical Soc. LIII. 449 The present interest in gravity meters arises from two..considerations. 1941 J. M. Bruckshaw in Proc. Physical Soc. LIII. 452 It is by no means an easy matter to produce a gravity meter..which..is robust and sufficiently transportable to be employed in the field. 1955 Sci. Amer. Sept. 164/1 The only way we can trace its girth and plot its distances accurately is to travel over its surface with a gravity meter, measuring the tiny differences in gravity from point to point as a guide to the ups and downs of the globe's undulating shape. 1957 Encycl. Brit. X. 677/1 The gravity meter or gravimeter is simply a spring balance comprising a constant mass supported by a spring system, the changes in elongation of which may be read with precision. < as lemmas |
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