自然しぜん放射ほうしゃ増幅ぞうふくこうであれば
shizen hōshazōfuku kōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 自然放射増幅光

1. If it is natural radiation amplified light; If natural radiation amplified light exists

Ba Conditional
Physics