| 单词 | gravity survey |
| 释义 | > as lemmasgravity survey gravity survey n. (see quot. 1923). ΚΠ 1913 Q. Jrnl. Geol. Soc. 69 p. lxxxii A Gravity Survey seems clearly to be called for. 1923 R. Glazebrook Dict. Appl. Physics III. 398/1 The primary object of a gravity survey is to obtain values of the force and direction of gravity at various points of the sea-level surface. 1959 New Scientist 5 Feb. 274/2 The Americans are now planning an airborne seismic and gravity survey of the central section of the supposed graben, in Marie Byrd Land. < as lemmas |
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