He believes that as far back as 30,000 B.C., hunters may have used a system of notation, engraved on bone and stone, to mark phases of the Moon.

他认为，远在公元前30,000年以前，猎人可能会用一套刻在骨头和石头上的符号系统来标记月相。

youdao

Music has a special system of notation, and so does chemistry.

音乐有一个特殊的符号的系统，化学也有。

youdao

Tablature Music an early system of notation that used letters and symbols to indicate playing directions rather than tones.

符号谱，一种早期的音乐符号系统，使用字母和符号而非音调来指示演奏的说明。

youdao

That made it very beautiful and there's no way in God's earth that we could replicate that to the Western system of musical notation.

那使得它十分美丽,我们却没有任何办法,用西方的乐谱方法,再现这样的音乐

耶鲁公开课 - 聆听音乐课程节选

This symbolic system of notation also has shown scholars how writing first developed to provide a permanent record of information rather than as a way to set down spoken language.

WSJ: The Ur-Metropolis | Uruk | Pergamon Museum | By A.J. Goldmann