公共英語PETS－2精品閱讀1

2009-08-18 09:38:01 　來源：本站原創(chuàng) 文章作者：匿名

　　公共英語PETS-2精品閱讀

　　In 1971, after Einstein's death, two scientists were able to carry out a crucial experiment. They used two atomic clocks, synchronized them, and placed one on a plane, while the other stayed in the same location on Earth. The plane then flew around the world for 80 hours. According to Einstein's theory, the clock on the plane would be expected to have lost time, due to being in motion over 80 hours compared to the clock on the ground. When they brought the clocks together and made a comparison, the clock on the plane was indeed a few nanoseconds slower than the other clock.

　　愛因斯坦去世后,1971年,兩名科學(xué)家完成了一項(xiàng)重要實(shí)驗(yàn)。他們使用兩個(gè)原子鐘,將時(shí)間調(diào)成一致。其中一個(gè)被放在飛機(jī)上,而另一個(gè)則置于地球上的原來地方。隨后飛機(jī)環(huán)繞全球飛行了80個(gè)小時(shí)。按照愛因斯坦理論,相對于地面上的時(shí)鐘,飛機(jī)上的時(shí)鐘會因?yàn)?0個(gè)小時(shí)的運(yùn)動而減少時(shí)間。當(dāng)他們將兩個(gè)時(shí)鐘拿到一起比較時(shí),飛機(jī)上的時(shí)鐘確實(shí)較另一只慢了幾毫微秒。