| 词汇 | dioptre |
| 释义 | dioptre noun[ C ] physics, medical UKspecialized(USdiopter)uk /daɪˈɒp.tər/ us /daɪˈɑːp.tɚ/ a unit of measurement of the power of a lens, used for measuring a person's eyesight: 屈光度，折光度 A typical short-sighted person in Britain is -4.5 dioptres.在英国，典型的近视眼是 -4.5屈光度。 Miscellaneous units of measurement acre acreage caloric farad fathom firkin flashpoint gigahertz hectare joule MHz newton refractive index röntgen Scoville scale SI unit sievert sun protection factor torr watt You can also find related words, phrases, and synonyms in the topics: Medical examination Examples of dioptredioptre We adopted four dioptres because the professional advice was that that was a sensible cut-off point. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 There is some fraction of a dioptre difference in need of correction. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We took this into account in arriving at the limit of 4 dioptres for reading glasses. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It seems too from the literature of one company operating in this country that 4 dioptres is the ceiling. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The main difference between this amendment and my original one is that this amendment mentions four dioptres where my amendment mentioned five dioptres. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I also understand that statistical surveys have shown that it is normal for adults to be slightly longsighted up to a power of about 1 dioptre. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The individual's refractive power is then read off a linear dioptre scale. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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