单词：information retrieval system operation
单词：information retrieval system operation 相关文章
Improve Your English by Testing Yourself English learners can improve their ability to remember and use new words by testing themselves. This idea comes from Sarah Lynn, an educational consultant and teacher at Harvard University's Bridge Program. Sh
2016年VOA慢速英语(八)月
By Tom Rivers London 31 January 2007 British police have arrested nine men in pre-dawn raids in the city of Birmingham. For VOA News, Tom Rivers reports from London the suspects are being questioned by anti-terrorist branch officers. Police officers
2007年VOA标准英语（一月）
The Pakistani army says it has been ordered by the government to begin military operations against al-Qaida-linked Taliban leader Baitullah Mehsud, but authorities are not giving details of the operation. Clashes have been reported between security
VOA标准英语2009年(六月)
所谓中性答复就是对询问的比较积极的回复。这种类型的答复常用在已经建立了贸易往来的公司之间。此种答复的主要功用就是传递必要的信息，通常都非常简短。 当贸易的一方同意另一方的
实用英语
How to buy things online 网上购物 A:I have been thinking about buying things online for a long time. 我一直想在网上购物，但是我不是很熟悉网购的流程。 B:That is just a piece of cake. First of all, you should find a good eco
外贸英语一点通
But it's suggested more work needs to be done when it comes to the country's anti-trafficking campaign. The initiative involves Chinese web giants Alibaba providing technical support, and Sina Weibo posting information on missing children. More than
2016CRI中国国际广播电台