identifier

/ˌdɪdʒ.ɪ.t̬əl ɑːb.dʒɪkt aɪˈden.t̬əˌfaɪ.ɚ/

名词

数字对象标识符
A digital object identifier is a permanent identifier given to an electronic document.
数字对象标识符是赋予电子文件的永久性标识符。