[3] ECMA-327_1st_edition_june_2001.pdf, , https://www.ecma-international.org/wp-content/uploads/ECMA-327_1st_edition_june_2001.pdf
[1] Voice Browser Call Control: CCXML Version 1.0 ( 版) http://www.w3.org/TR/2011/REC-ccxml-20110705/#ConceptsScripting
[2] Semantic Interpretation for Speech Recognition (SISR) Version 1.0 () https://www.w3.org/TR/semantic-interpretation/