U17 snoRNA is a member of the H/ACA box class of small nucleolar RNAs involved in ribosomal RNA (rRNA) maturation.是什么意思_U17 snoRNA is a member of the H/ACA box class of small nucleolar RNAs involved in ribosomal RNA (rRNA) maturation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句