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地矿英语:宇宙起源 沉积环境

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Unit 1    Cosmic Beginnings    ||    Depositional Environment

1. Stars in universe may be classified according to size, color, composition, temperature, mutual relationships, or stages of evolutionary development. Obviously, a description of all these classifications is beyond the scope of the present discussion.
宇宙中的恒星可以根据大小、颜色、构成成份、温度、星际关系或演化发展阶段等来加以分类。显然,对所有这些分类都加以描述超出了我们现在的讨论范围。

2. By measuring the optical spectra of distant galaxies, Edwin Hubble noted that the velocity at which a galaxy moves away from the Earth increases proportionally to its distance from the Earth.
通过对遥远星系的光谱加以测量,埃德温.哈勃表示,星系远离地球的速度与距地球的距离成正比。

3. Scientists believe that gravity, electromagnetic force, strong nuclear force and weak nuclear force are the Four Basic Forces of the universe.
科学家们认为,万有引力、电磁力、弱力和强力是宇宙中的四种基本作用力。

4. Further study of the currently found galaxy will provide astronomers with new insights into the early history of our own solar system.
对目前已发现的星系予以进一步研究会给天文学家们提供关于我们太阳系早期历史的新见解。

5. The Jovian planets are all large and have low mean densities, indicating they are composed of lightweight gases such as hydrogen and helium, as well as frozen compounds such as ammonia and methane.
木星类行星都有体积大密度小的特征,这表明他们成分构成不仅包括冻结复合物,如氨和甲烷,还包括重量轻的气体,如氢和氦。

6. The place where we conducted our research was named Xiaozhang village lying around 60 miles away from Chongqing City.
我们的研究地区位于距离重庆市大约60公里的一个叫做小张村的地方。

7. Geologic investigations of Mesozoic sea facies and volcanic processes had been carried on early in 1959.
关于海相中生代地层和火山作用的地质调查早在1959年就曾在该地进行过。

8. Except for a small part where the Jurassic deposits are cut into by basalts of Cretaceous Period, Jurassic stratum exposures are almost continuous in this area.
在这个地区,除了在小张村北面很小的一片地区侏罗系被白垩系玄武岩大量侵入以外,侏罗纪地层露头几乎是连续的。

9. In the summer of 2005, we conducted a 30-day field geologic research under the leadership of Professor Wang.
2005年夏季,在汪教授的率领下,我们在这里进行了为期30天的野外地质工作。

10. Yesterday afternoon we had a successful meeting in the classroom as to how to organize the next field investigation.
昨天下午我们在教室里成功地召开了关于如何组织下一次野外考察的会议。

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