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jmdict 2807200 Active (id: 2174734)
3K放射
さんケーほうしゃ
1. [n]
▶ 3K radiation
▶ cosmic background radiation
Cross references:
  ⇒ see: 1972480 宇宙背景放射 1. cosmic background radiation



History:
3. A 2022-01-18 14:37:05  Marcus Richert <...address hidden...>
  Comments:
I have a hard time imagining 三K放射 actually being used. Google also only brings up jmdict spawn.

astron? physics?
  Diff:
@@ -6,3 +5,0 @@
-</k_ele>
-<k_ele>
-<keb>三K放射</keb>
2. A 2014-02-08 23:25:16  Jim Breen <...address hidden...>
1. A* 2014-02-08 22:29:16  Rene Malenfant <...address hidden...>
  Refs:
daij, gg5
  Comments:
unrelated to the newly submitted entry for 3k

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