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いちじうちゅうせん
Meanings
Noun
1. primary cosmic rays
Alt. forms
一いち次じ宇う宙ちゅう線せん
いちじうちゅうせん
Pitch accent
い
ちじうちゅうせん
Composed of
first; preliminary; primary (sources, industry, etc.); original; linear (function, equation); first-order
cosmic ray