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12-10-11 the railway system's online booking system has begun to show its vulnerability - and at times has been unable to issue tickets that were paid for - as the massive wave of travelers during spring festival approaches. 随着春运客流高峰的到来，铁路网上...

12-08-03 a chemical sensing system developed by engineers at the university of connecticut is believed to be the first of its kind capable of detecting vapors（蒸汽） from buried landmines and other explosive devices with the naked eye rather than advanced s...

12-05-21 university of nevada, reno computer science engineering team kostas bekris and eelke folmer presented their indoor navigation system for people with visual impairments（缺陷） at two national conferences in the past two weeks. the researchers explai...

11-09-14 research conducted by boston college neuroscientist sean macevoy and colleague russell epstein of the university of pennsylvania finds evidence of a new way of considering how the brain processes and recognizes a person's surroundings, according to...

11-09-09 we know that in keeping the body physically healthy, the mind both conscious and unconscious is a principle actor. indeed, research has shown that the biological, or physiological, immune system that fights pathogens（病原体） once they've entered t...

11-09-01 the premier said the country's income distribution system should be perfected so that all 1.3 billion chinese could enjoy the fruit of the country's reform and opening-up drive. 温总理提到，我国必须改革收入分配制度，以便让全体13亿国民享受到国家改革...

11-08-23 revised coal laws will for the first time set the industry access system for the sector, the china securities journal reported monday, citing sources with the china national coal association. 《中国证券报》周一援引来自中国煤炭工业协会的消息称，修改...

11-06-17 一、状语位置的调整 1. 单词作状语 英语中单词作状语修饰形容词或其他状语时，通常放在它所修饰的形容词或状语的前面，这一点与汉语相同。 he was very active in class.（前置） 他在班上很活跃。（前置） 英语中单词作状语修饰动词时，一般放在动词之后，而在汉语里...

11-04-01 beijing's university students will be able to move at their own pace on the road to their degrees, taking between three and six years to graduate, if the city moves forward as expected with a more flexible credit system . 如果北京市能够如期推出更加...

11-04-01 the provincial official also stressed that the operation of its screen system is based on keyword infiltration and not all text messages are actually checked. 广东省官员还强调称，短信过滤系统采取的是关键词过滤的办法，而不是对公民的每条短信都去查看。...