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Concave
| Fiber Optic Glossary |
- A solid curved surface similar to the inside surface of a sphere.
- See the discussion of negative convexity.
- Curved or rounded and hollow as the outer boundary of a spherical or circular form viewed from within; opposite of convex.
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Вогнутый, русский
Вогнутый , впалый
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Discussion, английский
- A post, comments, and responses made within a conversation space, such as a message board, help board, community, newsgroup, or blog. these exchanges are usually publicly viewable. participation may require credentials, such as a windows live id.
- A type of text which seeks to discuss the issue rather than to persuade the reader / hearer of the truth of a proposition.
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Condenser lens, английский
- A lens assembly designed to collect energy from a light source.
- A lens on a microscope that focuses light from the light source onto the specimen
Compound lens, английский
- A lens assembly consisting of a number of simple lens elements.
- An ophthalmic lens containing both a spherical and cylindrical refractive power. a sphero-cylinder lens design is used to correct astigmatism.
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