とうかかんせい
灯火管制
1. blackout (to prevent being seen by enemy aircraft during a nighttime air raid)
2. Blackout (wartime)A blackout during war, or in preparation for an expected war, is the practice of collectively minimizing outdoor light, including upwardly directed light. This was done in the 20th century to prevent crews of enemy aircraft from being able to navigate to their targets simply by sight, for example during the London Blitz of 1940.
Read “Blackout (wartime)” on English Wikipedia
Read “灯火管制” on Japanese Wikipedia
Read “Blackout (wartime)” on DBpedia
Read “Blackout (wartime)” on English Wikipedia
Read “灯火管制” on Japanese Wikipedia
Read “Blackout (wartime)” on DBpedia
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