亘古未有

zhè shì zhōng guó lì shǐ shang gèn gǔ wèi yǒu de fēng gōng wěi jì

这是中国历史上亘古未有的丰功伟绩。

This is a wonderful achievement without precedent in Chinese history.

zhōng xī wén huà yóu cǐ bù duàn jiē chù pèng zhuàng hù shè hù róng zhōng guó yīn yuè yì shù wén huà chū xiàn le gèn gǔ wèi yǒu de tuò zhǎn

中西文化由此不断接触、碰撞、互摄互融，中国音乐艺术文化出现了亘古未有的拓展。

Hence with the constant contact, impact and fusion between Chinese and western culture, there was an unprecedented development in Chinese music art culture.