system-凯发k8官网

  • 苹果展示iphone新操作系统

    10-04-09 apple has given a preview of some of the 100 features that will be included in a new iphone operating system to be launched later this year. 今年晚些时候苹果将会发布用于iphone的新操作系统,日前苹果向大家展示了新操作系统100多项新功能。 steve jobs gav...

  • 天文学家首次近距离观测柱一座暗伴星

    10-04-08 for the first time, astronomers have directly observed the mysterious dark companion in a binary star(双子星) system that has puzzled skywatchers since the 19th century. using an instrument developed at the university of michigan, scientists have...

  • 微生物检测新方法将问世

    10-03-21 we are surrounded by microorganisms. they inhabit our skin, the air we breathe, the surfaces we touch. in most cases this is not a problem, but there are situations in which these constant companions can be dangerous or even life-threatening. they a...

  • 奥巴马演讲 education for a more competitive america

    10-03-20 remarks of president barack obama as prepared for delivery weekly address march 13, 2010 lost in the news of the week was a headline that ought to be a source of concern for every american. it said, many nations passing u.s. in education. now, debat...

  • 揭密木星表面大红斑

    10-03-17 this is our first detailed look inside the biggest storm of the solar system, says glenn orton, who led the team of astronomers(天文学家) that made the study. we once thought the great red spot(木星表面大红斑) was a plain old oval(椭圆形,卵形...

  • 硬盘存储革命将使xp用户受到影响

    10-03-10 hard drives are about to undergo one of the biggest format shifts in 30 years. 硬盘驱动器将经历30年来一场最大的格式转变。 windows 7 is one of few operating systems that are 4k aware by early 2011 all hard drives will use an advanced format that chan...

  • 如何提高乳房x线照片精确度?增加噪音

    09-12-23 members of a syracuse university research team have shown that an obscure phenomenon called stochastic resonance扫描辐射仪 (sr) can improve the clarity of signals in systems such as radar, sonar声纳 and even radiography放射线照相 术, used in medical...

  • 英国国民健康保险信息系统将缩减开支

    09-12-07 the government is to scale back its 12bn nhs it system in what the tories are calling a massive u-turn. 英国政府将缩减其120亿英镑的国民健康保险制度信息系统,托利党称其为巨大的掉头。 the nhs computer system has been hit by delays and cost over-runs c...

  • 知名网络企业联名支持网络中立

    09-10-21 a group of the world's largest internet companies has written a letter of support to the us federal communications commission (fcc). 一组世界上最大的网络公司联名支持美国联邦通信委员会。 the fcc says the internet is at a crossroads the letter is the...

  • glimpses of solar system's edge 太阳系边缘一瞥

    09-10-16 the first results from nasa's interstellar boundary explorer (ibex) spacecraft have shown unexpected features at our solar system's edge. 美国航空航天局的星际边界探测器第一次探测结果显示了我们太阳系边缘出乎意料的特征。 the flow of particles into our...

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