| 单词 | pendulum observation |
| 释义 | > as lemmaspendulum observation pendulum observation n. an observation made using a pendulum. ΚΠ 1826 G. B. Airy in Philos. Trans. (Royal Soc.) 116 573 It is impossible to establish any agreement with the pendulum observations of Captain Sabine. 1909 Westm. Gaz. 14 Sept. 4/1 Complete series of meteorological, magnetic, seismological, tidal, and pendulum observations were taken under great difficulties. 2000 Daily Tel. (Sydney) (Nexis) 14 Nov. (Features section) 43 He [sc. Halley] had recorded the celestial longitudes and latitudes of 341 stars,..made many pendulum observations and noticed that some stars seemed fainter since being observed in ancient times. < as lemmas |
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