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Translation examples
Le trou dans la couche d'ozone devait normalement se résorber dans 50 ans environ, mais en raison des variations interannuelles, aucune année particulière ne devait être considérée comme le signe d'une amélioration ou d'une aggravation; il faudrait plusieurs années pour confirmer une modification du trou de l'ozone au-dessus de l'Antarctique.
The ozone hole was expected to disappear in about 50 years, but because of interyear variability no one year could be taken as a sign of either recovery or worsening: several years would be needed before it could be established that the Antarctic ozone hole had changed.
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