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单词 micro-image
释义

micro-imagen.

Brit. /ˈmʌɪkrəʊˌɪmɪdʒ/, U.S. /ˈmaɪkroʊˌɪmɪdʒ/
Origin: Formed within English, by compounding. Etymons: micro- comb. form, image n.
Etymology: < micro- comb. form + image n. With sense 2 compare macro-image n.
1. A very small image, esp. one which can be viewed only by means of magnification; spec. a microphotograph.
ΘΚΠ
society > leisure > the arts > visual arts > photography > a photograph > [noun] > producing smaller image
microphotograph1857
micro-image1954
1954 Science 6 Aug. 198/1 The primary aperture is then moved so that its microimage is centered on the aiming cross hairs.
1958 Ecology 39 292/2 With..a rough surface, the edge of this circle would be a constantly changing micro-image of the shore.
1962 D. M. Avedon (title) Glossary of terms for microphotography and reproductions made from micro-images.
1972 Times 1 Dec. (Suppl.) p. ii/6 Ultrafiches of the photochronic micro image process store up to 4,000 pages on a 4 in by 6 in film.
1986 Fortune (Electronic ed.) 12 May Its 2-inch by 2-inch test screen can faithfully reproduce characters as tiny as the numbers in a newspaper stock table... ‘The company believes that, with this microimage achievement, an era of new applications and products are [sic] possible.’
1991 Functional Ecol. 5 551 (caption) Nuclear magnetic microimage..of whole seed.
2. Astronomy. Each of a set of multiple images of an astronomical object formed by gravitational microlensing.
ΚΠ
1986 Astrophysical Jrnl. 301 503/2 If the source of light has a diameter smaller than 1 micro-arcsec, then its macroimage will be split into a large number of microimages.
1989 Science 25 Aug. 829/2 Many microimages with sizes of order microarc seconds will be created.
1992 Astron. & Astrophysics 258 591 The mean number of microimages is calculated analytically and compared to the numerical results.
1996 Ann. Rev. Astron. & Astrophysics 34 420 The term ‘microlensing’ was proposed by Paczyński..to describe gravitational lensing that can be detected by measuring the intensity variation of a macro-image made of any number of unresolved micro-images.
This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.1954
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