To improve the performance of extensible markup language (XML) data materialized view maintenance by utilizing self?maintenance technique,the self?maintainability criterion of materialized views of XML data was proposed.是什么意思_To improve the performance of extensible markup language (XML) data materialized view maintenance by utilizing self?maintenance technique,the self?maintainability criterion of materialized views of XML data was proposed.在线翻译_英语_读音_用法_例句