单词 | time variation |
释义 | > as lemmastime variation time variation n. variation of something over time. ΚΠ 1847 Proc. Amer. Philos. Soc. 1843–7 4 314 Δλ/ Δt being the time variation of the daily motion in true longitude. 1881 J. C. Maxwell Treat. Electr. & Magnetism (ed. 2) II. 223 The third term..depends on the time-variation of the magnetic field. 1994 Q. Jrnl. Royal Astron. Soc. 35 488 Time variations in the ionospheric Joule heating..in the auroral zone. < as lemmas |
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