天文学

Study on the Earth with a variety of astronomical state of motion and mechanical mechanisms of disciplines, is astrometry intersection of science and earth science.

用天文学方法研究地球的各种运动状态及其力学机制的学科，是天体测量学与地学交叉的科学。

Astrometry is the earliest astronomy developed discipline, study of celestial bodies because it can provide basic information on the movement and its relevance for the community life services.

天体测量学是天文学中最早发展起来的学科，因为它可以提供研究天体运动的基本资料，并以其实用性为社会生活提供服务。

Over the years, the time expressed by atomic clocks has diverged slightly from that determined by the astronomic approach.

有许多年，由原子钟计算出来的时间与由天文学方法确定的时间产生了一些微小的差别。

By tremendous effort, Kepler calculated his results and after 20 years of hard work, he did not only present his now famous laws to the public, but also very precise astronomic tables which were widely known as the "Rudolphinic tables", which were a great milestone in the history of astronomy.

通过巨大的努力，开普勒计算结果和他经过20年的艰苦努力，他不仅提出他著名的法律向公众，而且也非常精确的天文表被广泛称为" Rudolphinic表"，这是一个伟大历史的里程碑天文学。

Since this evidence of astronomic knowledge seems very advanced scientifically, Daniken believes it might have been created by beings from other planets, who were expert astronomers, rather than people in ancient societies on earth.

从科学的角度看，所发现的这些天文学知识显得极为先进。因此丹尼肯相信，那是由外星的天文学家创造的，而不是古代地球人的发明。

The International Year of Astronomy 2009 is a global celebration of astronomy and its contributions to society and culture, highlighted by the 400th anniversary of the first use of an astronomical telescope by Galileo Galilei.

在2009年国际天文学年是一个全球性的庆祝天文学和其对社会的贡献和文化，突出了400周年的第一次使用天文望远镜的伽利略。

Will be one of the great astronomical projects of the 21st century.

将会是21世纪天文学的一个重要的研究课题。

It is the conference of the International Astronomical Union.

它是国际天文学联合会的会议。

Will be one of the great astronomical projects of the twenty-first century.

天文学一个重要的研究课题。

The development of such a telescope will be one of the great astronomical projects of the twenty-first century.

而开发这样一台望远镜将会是21世纪天文学的一个重要的研究课题。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。