English: blue (line) keyPortuguese translation: chave azul 
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English to Portuguese translations [PRO]
Tech/Engineering - Photography/Imaging (& Graphic Arts) | | English term or phrase: blue (line) key | *Blue key: Blue images produced photographically on film from an assembly of the **key** negatives or positives. Used as a guide in the film assembly of separation negatives or positives required to process colour printing.
*blue-line key: Technique used when making sets of lithographic plates for colour printing. A **key image** of each page in position is prepared on Astrafoil using a blue dye, and the appropriate positives or negatives for each page are patched up in register with the *key*. When printed down to make a plate, the blue does not affect the result.
O termo "key" aparece várias vezes (blue key, key negatives or positives, blue-line key, key image) nos parágrafos acima. Alguém sabe qual o termo correcto em PT?
Obrigada desde já! |
| | | chave azul | Explanation:
Key = (figurado) solução, resolução, explicação, resposta (a problema, etc.). Também, chave. |
| Selected response from:
António Ribeiro
Australia
| Note from asker to answererObrigada!
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1 hr confidence:   peer agreement (net): +1 |
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