球面 きゅうめん調和 ちょうわ関数 かんすうであれば
kyūmenchōwakansūdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 球面調和関数

1. if it is a spherical harmonic function; when it is a spherical harmonic function

Ba Conditional
Mathematics