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[探索发现] 宇宙的形成:大爆炸(10)
And then that pure energy briefly transforms into matter, just like it did nearly 14 billion years ago. But a monster machine needs a monster detector to see these collisions.正如140亿前年宇宙大爆炸一
2012-05-24 编辑：melody
[探索发现] 宇宙的形成:大爆炸(9)
Now there are more and more subatomic particles, but it's still a hot, violent place. All this is happening in fractions of a second, too small to detect it, but the Big Bang is moving into a
2012-05-23 编辑：melody
[探索发现] 宇宙的形成:大爆炸(8)
In just a fraction of a second after the Big Bang, the building blocks of our Universe begin to take shape. But this first matter is like nothing we see today.大爆炸后短短的一瞬间，宇宙的组成元素开始
2012-05-22 编辑：melody
[探索发现] 宇宙的形成:大爆炸(7)
A fraction of a second after the Big Bang, the universe is so small, it can fit in the palm of your hand. But in another tiny fraction of a second, it expands to the size of the earth. Then moving fa
2012-05-18 编辑：melody
[探索发现] 宇宙的形成:大爆炸(6)
And for the record, that's faster than the speed of light. But wait. Doesn't that break one of the Laws of Physics?记录显示那比光速更快。但是且慢。那会打破其中一条物理学定律吗？Even s
2012-05-17 编辑：melody
[探索发现] 宇宙的形成:大爆炸(5)
Just the point to raging energy, it was the beginning of the universe and everything in it.奇点内的能量剧烈膨胀，包罗万象的宇宙开始形成。Everything was simple, all the forces that we know about today
2012-05-16 编辑：melody
[托福听力辅导] 托福听力备考要形成听觉印象
新托福托福听力是考生普遍的弱项，很多考生花了很多时间在托福听力备考上，却收效不大。这是为什么呢？小编为您带来托福听力备考9大技巧，希望对大家有所帮助。　l. 增加词汇量.熟练掌握常考场景词汇，包括学习场景
2012-05-15 编辑：Daisy
[探索发现] 宇宙的形成:大爆炸(4)
When people first hear about the Big Bang theory, they say, well, where did it take place?当人们第一次听说大爆炸理论时会问道，那么它发生于哪里呢？It took place over there? It took place over there? W
2012-05-14 编辑：melody
[探索发现] 宇宙的形成:大爆炸(3)
原文文本：Not only are they moving, but they are flying away from earth at incredible speeds. This was the first real evidence of the Big Bang. All galaxies on average are moving away from us, and st
2012-05-11 编辑：melody