| Standardization field | Electrical engineering
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| Technical committee | BAS/TC 30- Electric cables |
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| Term (EN) | launch numerical aperture, LNA (abbreviation) |
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| Definition (EN) | The numerical aperture of an optical system used to couple or launch power into an optical fibre. |
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| Term (FR) | |
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| Definition (FR) | |
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| Term (DE) | |
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| Definition (DE) | |
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| Term (BS) | |
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| Definition (BS) | |
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| Term (HR) | |
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| Definition (HR) | |
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| Term (SR) | raspoloživi numerički otvor, LNA (skraćenica) |
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| Definition (SR) | Raspoloživi numerički otvor optičkog sistema koja se koristi za povezivanje ili ubacivanje snage u optičko vlakno. |
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| Date | 2017-08-09 |
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| Standards | BAS IEC 60050-731:2017 |
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