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即墨市第六人民医院妇科地址

2018年02月18日 07:26:17    日报  参与评论()人

青岛市即墨四维彩超医院即墨市第七人民医院做产检价格The universe is expanding.So does that mean theres a center from which everything is stretching outwards? I mean,it LOOKS like the center is here,because this point didnt move when we scaled.But we could just as easily have watched the scaling from this star,or this one,and they each;look;like the center.宇宙正在扩张。这是否就意味着存在一个中心,以此为点,所有事物都在向外延伸呢?我的意思是,看上去中心在这里,因为当我们进行度量时,这点并未移动。但是我们也可以轻易地把观测点移到这里,或者这里,它们“看”上去像是中心。In fact,ANY time you scale anything up or down,theres no real center to the scaling.I mean,this square was clearly scaled up from its center... I mean,its corner.I mean,that point over there.The point...is,sure there may be points that stay in the same place because of your frame of reference,which is why it appears to us as if the earth is the center of the expansion of the universe,but to someone in the Andromeda Galaxy it would appear that THEY were the center of the expansion.实际上,每当你把东西放大或缩小时,放大中心是不存在的。我的意思是,很明显这个正方形是从中间放大的......哦,还有角落。额,还有那里的一个点。这个点...实际上,当然会有在原地停留不动的点,这是你的参考系造成的,这也是为什么我们看上去地球像是,宇宙扩张的中心,但是对织女星系的某位来说,看上去,他们才是扩张的中心。In short,if youre too close-minded to view the universe from different perspectives,its easy to think youre at the center of the universe.Maybe thats the universes way of making us all feel special?But really,were not.长话短说,如果你思想太封闭,不愿从不同的角度观察宇宙,你很容易会觉得自己是宇宙的中心。可能这就是宇宙让我们感受到自己与众不同的方式?但实际上,我们并不特别。201503/364725即墨市人民医院妇产科建卡要多少钱 TED演讲者们对这个世界各抒己见。201506/378372My old toy train is a perfect way of illustrating Einsteins profound question.我以前的玩具火车 最适合用来解释爱因斯坦的深奥问题of what the fixed speed of light meant for the universe.光速恒定对宇宙的意义Einstein started with a simple question:爱因斯坦先从一个简单的问题开始How fast is something like this little train moving?这列小火车的行进速度有多快Well,this is the 1950s and toy trains werent all that good.当时是1950年代 玩具火车的品质并不怎么理想So lets say its traveling at about one mile per hour.就假设行进速度大约每小时1600米吧But change way you look at it from. You get a different answer.但若改变观察点 就会有不同的The earth spins on its axes at around 1,000 miles per hour.地球以大约1600公里的时速绕着地轴旋转So,seen from up here,my train is actually traveling much faster.所以若从这里看 这列火车的速度就快得很多Of course,the earth as a whole is orbiting the sun at 67,000 miles per hour.当然整体而言 地球绕着太阳旋转 且时速为108000公里And even the sun isnt stationary. It is orbiting the center of the milky way.就连太阳也并非静止 而是绕着系的中心旋转And the Milky Way is moving through space,too.而系也在太空中旋转So how fast is the train really moving?那么火车的行进速度究竟有多快?Well,it all depends on way you see it from.完全取决于从哪里观察It could be 1 mile per hour,1,000 miles per hour,60,000 miles per hour.Or many times faster.可能是每小时16公里 每小时16000米 每小时10800公里 甚至快好几倍201601/422153即墨市妇幼保健站治疗妇科怎么样

青岛即墨看妇科哪家医院最好的即墨哪家医院检查妇科病好 即墨市人民医院做四维彩超检查

即墨妇科那里好Not only did we have fun,我们不但一起作乐l got to set up a number of collaborations with Michael and other artists.我还帮他牵线与其他歌手合作Where l actually met him was at a big do for him,我在一个为他办的派对上遇见他and he had asked for me to come along and sing.他邀请我到场演唱l sang Downtown, of course, inevitably.我当然唱了Downtown一曲But it seems that he was a great fan.但他好像也很喜欢这首歌Blless his heart, he financed a recording session for me.很感谢他 他出资让我录音He was a very giving person, Michael.迈克尔是个很慷慨的人And very funny and of course deeply, deeply talented.也很幽默 而且非常的才华洋溢David called me on one given day and said that, l think theres a possibility戴维有天打给我 跟我说 可能有机会that you and Michael should sit down and write together. 让你跟迈克尔一起坐下来写歌Michael and Paul were in the Jacuzzi and came up with This ls lt.迈克尔与保罗合写的This ls lt是在浴缸里完成的Not many people know that l was responsible for putting them together.很少人知道 当初是我介绍他们认识的Unfortunately it evolved, and l dont know if you remember,后来很可惜 我不晓得你记不记得but Michael took the tapes out of the studio in los Angeles,但迈克尔把带子从洛杉矶的录音室取出because he didnt want to finish the project.因为他不想制作了201510/401882 Since humans evolved, its ice, through glaciers, ice sheets and floods,随着人类的进化,正是冰层,通过冰河,冰原和洪水方式that has been the dominant force shaping our planet.强行修整我们的星球But the greatest influence of ice relies on far more than brute force.然而冰层最大的影响力莫过于其残忍的威力Thats because ice has some unusual properties that have a profound effect on the Earths climate.因为冰层有些非凡的道具 它们深深的影响着地球的气候I am on the west coast of Greenland in whats known as Iceberg Alley.我正处在格陵兰岛西海岸著名的冰山巷中This is the biggest iceberg factory in the world.这里是世界上最大的冰山制造工厂Ive never been up this close to icebergs before.我从未如此的接近冰山I know theyre chunks of glacier这些是巨大的冰块that fall off the front of the ice sheet and they float here,它们从前面的冰原掉落然后飘到这里but when you get this close,然后当你靠近它们theyre like majestic beautiful ships flowing silently by.它们就像是庄严美丽的船只静静的从你身边使过This is known as an iceberg nursery.而这里就是冰山托儿所Most substances are denser when solid than when liquid多数物质在固体状态下比液体状态下密度大which means they sink. Ice is an exception.这就意味着会下沉,可是冰块恰恰反向Because it expands when it freezes, it becomes less dense and so it floats.因为当冰块冻结的时候体积变大,密度变小,因此能够漂浮Its also dazzlingiy bright, which makes it highly reflective,这也令冰块能够高度反光,看起来明亮耀眼and this combination has a dramatic effect on the Earths climate.这种化合物会对地球气候产生重要影响201510/405218青岛当代医院挂号预约即墨市打掉孩子多少钱

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