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攀枝花市中医院割包皮华优惠成都最好的包皮手术医院

2019年06月20日 17:02:52    日报  参与评论()人

金堂县无痛人流手术多少钱新津县妇幼保健医院不孕不育科疯狂英语900句 04-11相关专题: /200704/12702都江堰市治疗宫颈糜烂多少钱 [5] Thinking about possible future activities. 考虑将来可能从事的活动661. If it doesn't rain tomorrow,I think I'll go shopping. 662. There's a possibility we'll go,but it all depends on the weather. 663. If I have time tomorrow,I think I'll get a haircut. 664. I hope I remember to ask the barber not to cut my hair too short. 665. My son wants to be a policeman when he grows up. 666. If I get my work finished in time,I'll leave for New York Monday. 667. Suppose you couldn't go on the trip.How would you feel? 668. What would you say if I told you I couldn't go with you? 669. If I buy tha car,I'll have to borrow some money. 670. If I went with you,I'd have to be back by six o'clock. 671. One of these days,I'd like to take a vacation. 672. As soon as I can,I'm going to change jobs. 673. There's a chance he won't be able to be home for Christmas. 674. We may be able to help you in some way. 675. If you were to attend the banquet ,what would you wear? /200604/6138Our picture of the earliest moments of the universe has been evolving,我们对于宇宙最初的认识不断地改变and I#39;m happy to say, in some sense has more empirical support than it did before.我很高兴在某些方面 它得到了比以前更多的实持The discovery of the Higgs field implies that you can get fields that freeze in empty space.希格斯场的发现暗示着你能够在真空中冷冻And that#39;s a central part of what we think happened in the very early universe.它是我们对宇宙初期演变的认知的核心部分And if we can detect gravitational waves from the Big Bang如果我们能够探测宇宙大爆炸时产生的引力波we#39;d have a window on the universe back to a time when it was a billionth of a billionth of a billionth of a billionth of a second old,那么我们就能够窥探到一万亿亿亿亿分之一秒时的宇宙是什么样子的answering questions about the origin of the universe as we know it回答关于宇宙起源的问题ideas that I speculated upon in my last book, for example我的新书中有提到这些猜想for which we have new evidence that I#39;ve described in my new book.例如书中描述了一些关于这些猜想的新的据But because the temperature of the universe and the energies and particles were so extreme at that early time但是因为在宇宙处于初级阶段的时候其温度 能量和微粒都是处于很极端化的状态的when the entire visible universe was contained in a region that was smaller than the size of an atom那时整个宇宙都聚集到一个比原子更小的区域里there#39;s a wonderful symbiosis between large scales and small scales smaller在这个尺度上 宏观与微观相差无几And if we can probe the early universe back to a time that I described we#39;ll actually如果我们能够探测到我提及的早期宇宙的信号be probing physics on scales that are much smaller than we can see at the Large Hadron那么 我们就能够探测到比大型强子对撞机所能获得的还要小的尺度上的物理现象Collider, 12 orders of magnitude smaller in scale (or higher in energy) than we can probe with our highest-energy accelerator now.比我们用现有的最高能的加速器所能获得的尺度(或能量)还要小(大)12个数量级To build an accelerator that would directly probe those energies,为了建造一个能够直接探测到如此大能量的加速器we would have to have an accelerator that#39;s not just 26 km around, as the Large Hadron Collider is,我们必须有一个不仅包含26千米长的大型强子对撞机but whose circumference is the earth-moon distance同时 还要包含一个周长要为日月距离的加速器and that#39;s not going to be built in our lifetime (and probably ever)我们穷尽一生(可能永远)也无法完成如此规模的加速器So we may have to rely on the universe to give us new information,因此 我们只能依靠宇宙自身去给予我们这些信息and that#39;s why we#39;re looking for such signals.这就是我们要去探测这些信号的原因When the universe was a billionth of a billionth of a billionth of a billionth of a second old当宇宙的年龄是万亿亿亿亿分之一秒时our current picture suggests: A field very similar to the Higgs field froze in space,我们现有的图像显示:有一个与希格斯场相似的场冻结于空间中but it was in what is called a metastable state.我们称之为亚稳态Sort of like… if you have a beer party and you put beer in the freezer就像…你要举办一个啤酒聚会 你将它放入了冷冻格because you forgot to until the few minutes before the party,因为你忘了把啤酒冰镇一下 直到聚会马上就要开始了你才想起and then during the party you forget that it#39;s in the freezer, and you take it out later.接下来你在参加聚会的时候又忘记放在冷冻格里的啤酒 然后你把它拿出来And it#39;s there—liquid—and you open it up, and suddenly it turns to ice,它还在那儿 处于液体状态 然后你打开它 它却在瞬间凝固了and the bottle cracks: The beer is in a metastable state.瓶子爆裂:啤酒就处于亚稳态At that temperature it would rather be frozen except it#39;s under a high pressure.只有处于高压下 它才能在那样的温度下不冻结The minute you release the pressure it freezes instantaneously, releasing a lot of energy.你给它释放压力的瞬间 它就瞬间凝固 并释放很大的能量As our universe cooled we think the same thing happened;这跟我们的宇宙冷却时发生的事情是一样的:basically a field got frozen but in the wrong configuration, and as the universe cooled, suddenly—boom!— like those beer bottles,只是一个区域冻结了 但是以一种错的方式冻结来了 当宇宙冷却下来的时候 就像啤酒瓶一样砰地一声爆炸了it changed its state, releasing a huge amount of energy, creating the hot Big Bang.它改变了自身的状态 释放出大量的能量产生了大爆炸Now the interesting thing is, while it was in that metastable state and storing energy,现在 有趣的是 当它处于亚稳态并且储存着能量时general relativity tells us that if you have a field in empty space that#39;s storing energy广义相对论告诉我们:如果有个储存着能量的真空场it produces a gravitational effect that#39;s repulsive, not attractive.那么它的引力效应为排斥而非吸引So during that brief time gravity is repulsive, and the expansion of our universe started speeding up faster and faster and faster,所以有那么短暂的瞬间 引力场为排斥场 然后宇宙大爆炸开始膨胀得越来越快and the size of our universe (we think) increased by a factor of 10 to the 30th in scale, or at least 10 to the 90th in volume,宇宙会在一百亿亿分之一秒内将尺度扩大到原来的10的30次方倍in a time interval of a billionth of a billionth of a billionth of a second.而体积则至少膨胀为原来的10的90次方倍That means it went from the size of an atom to the size of a basketball in a short time,这意味着在很短的时间内 它由一个原子的大小膨胀至一个篮球的大小and that rapid expansion produced characteristics which pervaded the universe today:正是由于这剧烈的膨胀导致了遍及整个宇宙的基本的性质:The fact that our observed universal looks flat, the fluctuations, and the cosmic microwave background我们观测到的宇宙近乎平坦 涨落与宇宙微波背景辐射radiation all came from quantum fluctuations that happened during inflation.都来自于膨胀时的量子涨落Inflation is the only First Principles idea that in principle explains why our universe looks the way it does.膨胀是第一原则 它从根本上解释了为什么宇宙会是这样的And what#39;s wonderful about it is it doesn#39;t require any exotic ideas of quantum gravity or theories we don#39;t have,值得庆幸 它不需要量子引力以及其它我们还没有建立的理论来提供持it#39;s based on ideas that are central to our current understanding它完全是基于我们现有的of the standard model of particle physics, just extrapolating them somewhat.对粒子物理的标准模型的认知 仅仅是标准模型的外推So it#39;s very well-motivated; even though it is hard to believe that it could have happened, we think it did.所以 这个很好的解释 即使我们很难相信宇宙大爆炸曾经发生过但是我们认为它发生过 Article/201706/512642成都生殖专科医院割包皮多少钱

宜宾市中心医院治疗子宫肌瘤好吗TED演讲集 那些匪夷所思的新奇思想 Article/201611/478382彭州市怀孕检测哪家医院最好的 North Korea has suffered devastating flooding in the northeastern part of the country following a typhoon.台风登陆后,朝鲜东北部地区遭遇特大洪水。The government has called the recent flooding the worst the country has experienced since 1945.政府称这是1945以来朝鲜经历过最严重的洪水。Flooding is a fairly common occurrence around the world. But what#39;s newsworthy is North Korea is actually admitting it.洪水在世界上是一个相当普遍的现象。但值得一提的是,朝鲜竟然承认了此次洪水的危害。Most news coming out of North Korea portrays the country and its leader as strong and successful. But now the country is getting help from over a dozen local and international relief agencies including some that represent the ed Nations.来自朝鲜的大多数新闻描绘的是国家和领导人的强大和成功。但现在朝鲜正向十几个当地和国际救援机构寻求帮助,包括一些代表联合国的机构。According to various stories published by state-run Korean Central News Agency, the flooding has destroyed many buildings. 据国立朝鲜中央通讯社,洪水已经摧毁了许多建筑。The government apparently told the ed Nations Office for the Coordination of Humanitarian Affairs that 133 people have died and 395 more are missing. OCHA reports over 35,000 homes and 8,700 buildings have been damaged. About 100,000 people are believed to be displaced.朝鲜政府告知联合国人道主义事务协调办公室,洪水已造成133人死亡,395人失踪。据人道协调厅报道,超过35,000个家园和8,700座建筑已被破坏。大约有100,000人流离失所。Even so, the stories about the flooding on the KCNA website are mainly focused on the united response from the North Korean people and government. 即便如此,朝中社网站对洪水的报道主要集中在朝鲜政府和人民的团结一致。译文属。 Article/201609/466154锦江区妇女医院位置

崇州市儿童医院口碑The global economy is relying less on carbon to power it. 全球经济对碳的依赖性降低。That#39;s according to a new report released by a London-based consulting firm. The report looks at global carbon intensity. In other words, how much carbon each country uses based on its GDP.这是根据一家总部位于伦敦的咨询公司发布的一份新报告。该报告着眼于全球碳强度。换言之,根据国内生产总值,每个国家碳排放量是多少。And the numbers look promising for the environment. In 2015, global carbon intensity fell by 2.8 percent — a record drop and more than double how much it fell between 2000 and 2014 on average.这一数据看起来对环境是有利的。2015年,全球碳强度下降了百分之2.8,创下历史下降纪录,是2000年至2014年间平均下降幅度的两倍多。But that#39;s not nearly enough to keep global warming below 2 degrees Celsius,the number agreed upon in the Paris climate agreement.但这还不足以使全球变暖保持在2摄氏度以下,这一数字是在巴黎气候协议中达成的。One of the biggest reasons for the decline is China ,the country that consumes half of all the coal produced. In 2015, it cut coal use dramatically. 中国是碳排放强度下降的一个主要原因,其消费所有煤炭产量的一半。2015,它大大减少了煤炭的使用。While the reduction in coal is good news for carbon emissions, the director of sustainability and climate change at PwC told Climate Home that coal is ;low-hanging fruit; in the fight to reduce carbon emissions. It will likely be tougher to push other industries to reduce emissions.煤使用的降低对碳排放是个好消息,PWC可持续发展和气候变化主任告诉气候之家,要减少碳排放,煤炭是最容易实现的目标。要推动其它产业减少排放似乎更艰难。译文属。 Article/201611/476477 成华区中心医院妇科地址大邑县妇幼保健医院是不是私立医院

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