Перевод и анализ слов искусственным интеллектом ChatGPT
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- как употребляется слово
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- этимология
dark-ground illumination - перевод на русский
![nuclear track cores]]](https://commons.wikimedia.org/wiki/Special:FilePath/NuclearTrackPaper02chromiteA.jpg?width=200 "nuclear track cores]]")
![scattered]] by the sample](https://commons.wikimedia.org/wiki/Special:FilePath/Paper_Micrograph_Dark.png?width=200 "scattered]] by the sample")
![attenuation]] of light in the sample](https://commons.wikimedia.org/wiki/Special:FilePath/Paper_Micrograph_Bright.png?width=200 "attenuation]] of light in the sample")
![polarized]] light through the sample](https://commons.wikimedia.org/wiki/Special:FilePath/Paper_Micrograph_Cross-Polarised.png?width=200 "polarized]] light through the sample")
![interference]] of different path lengths of light through the sample](https://commons.wikimedia.org/wiki/Special:FilePath/Paper_Micrograph_Phase.png?width=200 "interference]] of different path lengths of light through the sample")
общая лексика
освещение при затемнённом поле
медицина
тёмное поле
общая лексика
темнопольная микроскопия
синоним
медицина
темнопольное освещение
общая лексика
темнопольный микроскоп
-cropped.jpg?width=200)
![Aboriginal Australian]] man with dark skin](https://commons.wikimedia.org/wiki/Special:FilePath/Australia Aboriginal Culture 017 (5496738783).jpg?width=200 "Aboriginal Australian]] man with dark skin")
![Buka boys from [[Bougainville Island]], [[Papua New Guinea]]. People from Bougainville have some of the darkest skin tones among humans.](https://commons.wikimedia.org/wiki/Special:FilePath/Buka boys performing at a Buin folk festival.jpg?width=200 "Buka boys from [[Bougainville Island]], [[Papua New Guinea]]. People from Bougainville have some of the darkest skin tones among humans.")
![hominid]] evolution of dark skin may have taken place](https://commons.wikimedia.org/wiki/Special:FilePath/Kiang West savanna.jpg?width=200 "hominid]] evolution of dark skin may have taken place")
![Women from [[South Sudan]]](https://commons.wikimedia.org/wiki/Special:FilePath/South Sudanese Women.jpg?width=200 "Women from [[South Sudan]]")
![[[Rickets]] is a condition associated with dark skin.](https://commons.wikimedia.org/wiki/Special:FilePath/XrayRicketsLegssmall.jpg?width=200 "[[Rickets]] is a condition associated with dark skin.")
![Indigenous]] Mother and daughter from the Urus islands.](https://commons.wikimedia.org/wiki/Special:FilePath/Indigenous mother and daughter from Peru.png?width=200 "Indigenous]] Mother and daughter from the Urus islands.")
![Indigenous man from [[Bolivia]].](https://commons.wikimedia.org/wiki/Special:FilePath/Amerindian man from Peru.png?width=200 "Indigenous man from [[Bolivia]].")
![Indigenous fisherman from [[Lake Titicaca]].](https://commons.wikimedia.org/wiki/Special:FilePath/Amerindian man in his reed boat, on lake titicaca.png?width=200 "Indigenous fisherman from [[Lake Titicaca]].")
[dɑ:k'skind]
прилагательное
общая лексика
темнокожий
Определение
Википедия
Dark-field microscopy (also called dark-ground microscopy) describes microscopy methods, in both light and electron microscopy, which exclude the unscattered beam from the image. As a result, the field around the specimen (i.e., where there is no specimen to scatter the beam) is generally dark.
In optical microscopes a darkfield condenser lens must be used, which directs a cone of light away from the objective lens. To maximize the scattered light-gathering power of the objective lens, oil immersion is used and the numerical aperture (NA) of the objective lens must be less than 1.0. Objective lenses with a higher NA can be used but only if they have an adjustable diaphragm, which reduces the NA. Often these objective lenses have a NA that is variable from 0.7 to 1.25.
