| 释义 |
▪ I. lensing, vbl. n.1
see lense v.
▪ II. lensing, vbl. n.2|ˈlɛnzɪŋ|
[f. lens v. + -ing1.]
1. Geol. The fact or manner of lensing out (lens v. 1).
1923F. H. Lahee Field Geol. (ed. 2) v. 88 (heading) Pinching or lensing of strata. 1953Bull. Amer. Assoc. Petroleum Geologists XXXVII. 1048 The lensing is not cumulative; the following beds tend to smooth off the effect of a pinch-out.
2. The making of a film; the taking of a photograph or photographs. slang (orig. U.S.).
1942Variety 28 Oct. 4 (heading) U.S. Signal Corps turning out army of ultra pix technicians for combat lensing. 1983Listener 4 Aug. 33/4 Your correspondent was fortunate enough to secure an interview with the delightful Miss Bergen..during the lensing of this masterpiece. 1990Bop Oct. 34/1 England's capital city, London, was home to the hazel-eyed actor during the lensing of the flick!
3. Physics and Astron. Effects resembling those produced by a lens or lenses, esp. a bending or focusing of light or other radiation by a strong gravitational field (cf. gravitational lens s.v. *gravitational adj. b) or by inhomogeneities in refractive index caused by non-uniform heating.
1970Appl. Optics IX. 1727 (heading) Simple measurement of thermal lensing effects in laser rods. 1977Jrnl. Chem. Physics LXVI. 667/2 It is hoped that in the near future the spectral range of the highly sensitive thermal lensing spectroscopy will be greatly extended. 1981Nature 12 Feb. 533/1 The differences in redshift [of the quasars] rule out any kind of gravitational lensing of a single object. 1988Ibid. 17 Mar. 234/1 (heading) Gravitational radiation and gravitational lensing as a source of electromagnetic bursts. 1992New Scientist 29 Feb. 21/2 Although each image will look like a normal star that is not being lensed by the black hole, the researchers think there could be a way of telling whether gravitational lensing is really taking place.
▪ III. lensing, ppl. a. Astron.|ˈlɛnzɪŋ|
[f. *lensing vbl. n.2: see -ing2.]
That causes lensing of light or other radiation.
1984Science 10 Feb. 574/3 None of the lensing galaxies lie in a straight line with their quaser images. 1988Nature 24 Nov. 358/1 From the enhancement of the quaser surface density in the vicinity of the galaxies we are able to draw some general conclusions about the distribution of the lensing matter. 1989C. Will in P. Davies New Physics ii. 13/1 The number and characteristics of the images..can be used as a probe of the mass distribution of the lensing galaxy or cluster of galaxies. |