Such an effort consisted of promoting a yearly conference, named TREC for Text Retrieval Conference, dedicated to experimentation with a large test collection comprising over a million documents.是什么意思_Such an effort consisted of promoting a yearly conference, named TREC for Text Retrieval Conference, dedicated to experimentation with a large test collection comprising over a million documents.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句