| 单词 | eye and ear |
| 释义 | > as lemmaseye and ear (a) Astronomy. eye and ear: sequential telescopic measurements combined with the measurement of time by listening to a clock or chronograph; frequently attributive; cf. eye observation n. at Compounds 4. Now historical. ΚΠ 1851 Abstr. Papers Royal Soc. 1843–50 5 1006 Numerical evidence is adduced to show that the irregularity of transits thus observed is far less than that of transits observed by eye and ear. 1875 Pop. Sci. Monthly Feb. 387 This is the method of ‘eye-and-ear’ observation, the basis of such work as we have described, and it is so called from the part which both the eye and the ear play in the appreciation of intervals of time. 1913 Science 3 Jan. 36/1 (heading) Eye and ear observations. 2001 Brit. Jrnl. Hist. Sci. 34 176 The new electro-chronograph (also known as the American method) was slowly replacing the old eye-and-ear method for measuring stellar transits involved in longitude and time determinations. < as lemmas |
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